Mohamad E Allaf

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. ncbi request reprint Laparoscopic partial nephrectomy: evaluation of long-term oncological outcome
    Mohamad E Allaf
    Brady Urological Institute, Johns Hopkins Medical Institutions, 600 North Wolfe Street, Baltimore, MD 21287, USA
    J Urol 172:871-3. 2004
  2. ncbi request reprint Laparoscopic retroperitoneal lymph node dissection: duplication of open technique
    Mohamad E Allaf
    Brady Urological Institute, Johns Hopkins Hospital, Baltimore, Maryland 21237, USA
    Urology 65:575-7. 2005
  3. pmc Description of a multicenter safety checklist for intraoperative hemorrhage control while clamped during robotic partial nephrectomy
    Kenneth G Nepple
    Washington University School of Medicine, St, Louis, MO, USA
    Patient Saf Surg 6:8. 2012
  4. ncbi request reprint Anatomical extent of lymph node dissection: impact on men with clinically localized prostate cancer
    Mohamad E Allaf
    Department of Urology, The Johns Hopkins University School of Medicine, The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    J Urol 172:1840-4. 2004
  5. ncbi request reprint Erythropoietin promotes the recovery of erectile function following cavernous nerve injury
    Mohamad E Allaf
    The James Buchanan Brady Urological Institute, Baltimore, Maryland, USA
    J Urol 174:2060-4. 2005
  6. ncbi request reprint Postchemotherapy laparoscopic retroperitoneal lymph node dissection: evaluation of complications
    Sompol Permpongkosol
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 69:361-5. 2007
  7. ncbi request reprint Incidence of local recurrence and port site metastasis after laparoscopic radical nephroureterectomy
    Michael Muntener
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 2101, USA
    Urology 70:864-8. 2007
  8. ncbi request reprint Clinical sequelae of radiographic iceball involvement of collecting system during computed tomography-guided percutaneous renal tumor cryoablation
    Christopher A Warlick
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Urology 67:918-22. 2006
  9. pmc Contemporaneous comparison of open vs minimally-invasive radical prostatectomy for high-risk prostate cancer
    Phillip M Pierorazio
    James Buchanan Brady Urological Institute, Johns Hopkins Medicine, Baltimore, MD, USA
    BJU Int 112:751-7. 2013
  10. pmc Immunoexpression status and prognostic value of mammalian target of rapamycin and hypoxia-induced pathway members in papillary cell renal cell carcinomas
    Alcides Chaux
    Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Hum Pathol 43:2129-37. 2012

Detail Information

Publications100

  1. ncbi request reprint Laparoscopic partial nephrectomy: evaluation of long-term oncological outcome
    Mohamad E Allaf
    Brady Urological Institute, Johns Hopkins Medical Institutions, 600 North Wolfe Street, Baltimore, MD 21287, USA
    J Urol 172:871-3. 2004
    ..Laparoscopic partial nephrectomy (LPN) has emerged as a viable alternative to open surgery for renal tumors less than 4 cm. We present oncological followup of patients treated with laparoscopic nephron sparing surgery at our institution...
  2. ncbi request reprint Laparoscopic retroperitoneal lymph node dissection: duplication of open technique
    Mohamad E Allaf
    Brady Urological Institute, Johns Hopkins Hospital, Baltimore, Maryland 21237, USA
    Urology 65:575-7. 2005
    ..A modified template dissection that fully duplicates the open technique is now routinely performed at our institution. We describe and show in the accompanying video segments a laparoscopic modified template dissection...
  3. pmc Description of a multicenter safety checklist for intraoperative hemorrhage control while clamped during robotic partial nephrectomy
    Kenneth G Nepple
    Washington University School of Medicine, St, Louis, MO, USA
    Patient Saf Surg 6:8. 2012
    ..We developed such an safety checklist based on the cumulative experiences of high volume robotic surgeons...
  4. ncbi request reprint Anatomical extent of lymph node dissection: impact on men with clinically localized prostate cancer
    Mohamad E Allaf
    Department of Urology, The Johns Hopkins University School of Medicine, The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    J Urol 172:1840-4. 2004
    ..This study evaluates the influence of the anatomical extent of pelvic lymph node dissection performed at radical prostatectomy on lymph node yield, staging accuracy and time to prostate specific antigen progression...
  5. ncbi request reprint Erythropoietin promotes the recovery of erectile function following cavernous nerve injury
    Mohamad E Allaf
    The James Buchanan Brady Urological Institute, Baltimore, Maryland, USA
    J Urol 174:2060-4. 2005
    ..We investigated the effects of recombinant human (rh) erythropoietin (EPO) on erectile function recovery in a rat model of cavernous nerve (CN) injury...
  6. ncbi request reprint Postchemotherapy laparoscopic retroperitoneal lymph node dissection: evaluation of complications
    Sompol Permpongkosol
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 69:361-5. 2007
    ..This report reviewed the complication rate with additional experience...
  7. ncbi request reprint Incidence of local recurrence and port site metastasis after laparoscopic radical nephroureterectomy
    Michael Muntener
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 2101, USA
    Urology 70:864-8. 2007
    ..To address the incidence of local recurrence and port site metastasis in patients who underwent laparoscopic radical nephroureterectomy (RNU) for upper tract transitional cell carcinoma (TCC)...
  8. ncbi request reprint Clinical sequelae of radiographic iceball involvement of collecting system during computed tomography-guided percutaneous renal tumor cryoablation
    Christopher A Warlick
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Urology 67:918-22. 2006
    ....
  9. pmc Contemporaneous comparison of open vs minimally-invasive radical prostatectomy for high-risk prostate cancer
    Phillip M Pierorazio
    James Buchanan Brady Urological Institute, Johns Hopkins Medicine, Baltimore, MD, USA
    BJU Int 112:751-7. 2013
    ....
  10. pmc Immunoexpression status and prognostic value of mammalian target of rapamycin and hypoxia-induced pathway members in papillary cell renal cell carcinomas
    Alcides Chaux
    Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Hum Pathol 43:2129-37. 2012
    ..Immunohistochemistry for members of the mammalian target of rapamycin pathway and for HIF-1α lacked prognostic significance in our cohort...
  11. doi request reprint The accuracy of multidetector computerized tomography for evaluating tumor thrombus in patients with renal cell carcinoma
    Thomas J Guzzo
    The James Buchanan Brady Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 181:486-90; discussion 491. 2009
    ..We assessed the accuracy of multidetector computerized tomography for predicting tumor thrombus and the level of venous involvement in patients with renal cell carcinoma...
  12. doi request reprint Tumor complexity predicts malignant disease for small renal masses
    Jeffrey K Mullins
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    J Urol 188:2072-6. 2012
    ..A significant proportion of malignant tumors are low grade and potentially indolent. We evaluated whether preoperative patient and tumor characteristics are associated with adverse pathological features...
  13. pmc Trends in immediate perioperative morbidity and delay in discharge after open and minimally invasive radical prostatectomy (RP): a 20-year institutional experience
    Phillip M Pierorazio
    The James Buchanan Brady Urological Institute, Johns Hopkins University, Baltimore, MD, USA
    BJU Int 112:45-53. 2013
    ..Specifically, it addresses approach-specific morbidities and indicates that MIRP is associated with higher rates of 'off-pathway' discharge, most often due to ileus...
  14. pmc Survival after diagnosis of localized T1a kidney cancer: current population-based practice of surgery and nonsurgical management
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD Center for Surgical Trials and Outcomes Research, Department of Surgery, Johns Hopkins Medical Institutions, Baltimore, MD Biostatistics Department, Johns Hopkins Bloomberg School of Public Health, Baltimore, Md Electronic address
    Urology 83:126-32. 2014
    ..NSM is being increasingly used for older patients with early-stage kidney cancer and competing risks of death. However, survival is poorly characterized for this approach compared with surgery with PN or RN...
  15. doi request reprint Increased intra-abdominal fat predicts perioperative complications following minimally invasive partial nephrectomy
    Michael A Gorin
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Urology 81:1225-30. 2013
    ..To evaluate the anthropometric measurements of body mass index, outer-abdominal fat (OAF) and intra-abdominal fat (IAF) for their utility in predicting perioperative complications following minimally invasive partial nephrectomy...
  16. doi request reprint Radiofrequency coagulation-assisted laparoscopic partial nephrectomy without hilar clamping: a feasible technique with excellent outcomes in highly selected patients
    Hiten D Patel
    Brady Urological Institute, Johns Hopkins University, Baltimore, Maryland, USA
    J Endourol 26:58-62. 2012
    ..We retrospectively review a series of patients who underwent clampless LPN with RFC to study the safety and feasibility of this approach...
  17. ncbi request reprint Laparoscopic-assisted nephrectomy with inferior vena cava tumor thrombectomy: preliminary results
    Ioannis M Varkarakis
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 8915, USA
    Urology 64:925-9. 2004
    ..To evaluate the feasibility and outcome of laparoscopic-assisted radical nephrectomy and inferior vena cava (IVC) tumor thrombectomy in patients with renal cell carcinoma and level I IVC tumor thrombus...
  18. doi request reprint Do fibrin sealants impact negative outcomes after robot-assisted partial nephrectomy?
    Jason Cohen
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland
    J Endourol 27:1236-9. 2013
    ..We assessed the impact of fibrin sealant hemostatic agents, a costly addition to surgeries, during robot-assisted partial nephrectomy (RAPN)...
  19. pmc Anatomic extent of pelvic lymph node dissection: impact on long-term cancer-specific outcomes in men with positive lymph nodes at time of radical prostatectomy
    Trinity J Bivalacqua
    Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Urology 82:653-8. 2013
    ..To evaluate the impact of an extended pelvic lymph node (LN) dissection (EPLND) on the oncologic outcomes of men with LN-positive prostate cancer...
  20. doi request reprint Impact of robotic technique and surgical volume on the cost of radical prostatectomy
    Elias S Hyams
    Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD 21287, USA
    J Endourol 27:298-303. 2013
    ..Therefore, we performed a study to define the effect of robotic technology and surgical volume on the cost of RP...
  21. pmc Multiphasic enhancement patterns of small renal masses (≤4 cm) on preoperative computed tomography: utility for distinguishing subtypes of renal cell carcinoma, angiomyolipoma, and oncocytoma
    Phillip M Pierorazio
    James Buchanan Brady Urological Institute, Johns Hopkins Medicine, Baltimore, MD, USA
    Urology 81:1265-71. 2013
    ..To analyze the enhancement patterns of small renal masses (SRMs) during 4-phase computed tomography (CT) imaging to predict histology...
  22. pmc Comparative analysis of minimally invasive partial nephrectomy techniques in the treatment of localized renal tumors
    Jeffrey K Mullins
    James Brady Buchanan Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Urology 80:316-21. 2012
    ..To report our initial experience with robot-assisted laparoscopic partial nephrectomy compared with traditional laparoscopic partial nephrectomy...
  23. ncbi request reprint Percutaneous radio frequency ablation of renal masses: results at a 2-year mean followup
    Ioannis M Varkarakis
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 174:456-60; discussion 460. 2005
    ..We describe our experience with and results of percutaneous computerized tomography guided radio frequency ablation (RFA) for small (less than 4 cm) renal tumors at a 2-year mean followup...
  24. ncbi request reprint Laparoscopic renal-adrenal surgery in patients on oral anticoagulant therapy
    Ioannis M Varkarakis
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland
    J Urol 174:1020-3; discussion 1023. 2005
    ..Experience with laparoscopic renal/adrenal surgery in patients on chronic warfarin is limited. We assessed hemorrhagic/thromboembolic complications in this group of patients...
  25. doi request reprint Perioperative outcomes of elderly patients undergoing laparoscopic renal procedures
    Thomas J Guzzo
    James Buchanan Brady Urologic Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Urology 73:572-6. 2009
    ..S. population. The outcomes of elderly patients undergoing laparoscopic renal procedures are less well defined than those of younger patients...
  26. ncbi request reprint Laparoscopic partial nephrectomy: effect of warm ischemia on serum creatinine
    Sam B Bhayani
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 2101, USA
    J Urol 172:1264-6. 2004
    ..However, limited data are available regarding the effect of warm ischemic time on postoperative renal function. We assessed the effect of variable durations of warm ischemia on long-term renal function in patients undergoing LPN...
  27. pmc Robotic-assisted versus traditional laparoscopic partial nephrectomy: comparison of outcomes and evaluation of learning curve
    Phillip M Pierorazio
    Brady Urological Institute, Johns Hopkins University, Baltimore, MD, USA
    Urology 78:813-9. 2011
    ..RALPN has emerged as a minimally invasive alternative to nephron-sparing surgery...
  28. doi request reprint Reducing morbidity of pelvic and retroperitoneal lymphadenectomy
    Mark W Ball
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, 1800 Orleans St, Baltimore, MD, 21287, USA
    Curr Urol Rep 14:488-95. 2013
    ..Awareness of the potential for injury and ways to avoid and manage the most common complications is necessary to decrease the morbidity associated with these procedures. ..
  29. doi request reprint Laparoscopic retroperitoneal lymph node dissection for clinical stage I nonseminomatous germ cell tumor: a large single institution experience
    Elias S Hyams
    The Brady Urological Institute, Johns Hopkins University, Baltimore, MD, USA
    J Urol 187:487-92. 2012
    ..We present our experience with laparoscopic retroperitoneal lymph node dissection for clinical stage I nonseminomatous germ cell tumors...
  30. ncbi request reprint Long-term oncologic outcome after laparoscopic radical nephroureterectomy for upper tract transitional cell carcinoma
    Michael Muntener
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, MD 21287 2101, USA
    Eur Urol 51:1639-44. 2007
    ..To assess the long-term oncologic efficacy of laparoscopic radical nephroureterectomy (RNU)...
  31. ncbi request reprint Pain control requirements for percutaneous ablation of renal tumors: cryoablation versus radiofrequency ablation--initial observations
    Mohamad E Allaf
    Brady Urological Institute, Department of Urology, The Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Radiology 237:366-70. 2005
    ....
  32. ncbi request reprint Computerized tomography guided percutaneous renal cryoablation with the patient under conscious sedation: initial clinical experience
    Ajay Gupta
    Russell H Morgan Department of Radiology, Division of Cardiovascular and Interventional Radiology, Johns Hopkins Hospital, Baltimore, Maryland 21287, USA
    J Urol 175:447-52; discussion 452-3. 2006
    ..We report on our initial clinical experience with CT guided percutaneous renal cryoablation...
  33. ncbi request reprint Pathological stage does not alter the prognosis for renal lesions determined to be stage T1 by computerized tomography
    William W Roberts
    Department of Urology, University of Michigan, Ann Arbor, Michigan, USA
    J Urol 173:713-5. 2005
    ..In this study we assessed whether radiographically staged clinical T1 lesions that were pathological T1 behave differently than those that were clinical stage T1 and up staged to pT3a...
  34. ncbi request reprint Laparoendoscopic single-site surgery of the kidney: an initial experience
    Hiten D Patel
    Brady Urological Institute, Johns Hopkins University, Baltimore, Maryland, USA
    Can J Urol 18:5745-50. 2011
    ..We present our initial experience with LESS renal surgery in order to assess safety, feasibility, and early postoperative outcomes...
  35. doi request reprint A Systematic Review of Research Gaps in the Evaluation and Management of Localized Renal Masses
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Md Electronic address
    Urology 98:14-20. 2016
    ....
  36. doi request reprint Distinguishing malignant and benign renal masses with composite models and nomograms: A systematic review and meta-analysis of clinically localized renal masses suspicious for malignancy
    Phillip M Pierorazio
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland
    Cancer 122:3267-3276. 2016
    ..Cancer 2016;122:3267-3276. © 2016 American Cancer Society...
  37. doi request reprint Management of Renal Masses and Localized Renal Cancer: Systematic Review and Meta-Analysis
    Phillip M Pierorazio
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland
    J Urol 196:989-99. 2016
    ..We summarize evidence on effectiveness and comparative effectiveness of these treatment approaches for patients with a renal mass suspicious for localized renal cell carcinoma...
  38. pmc Extent of renal vein invasion influences prognosis in patients with renal cell carcinoma
    Mark W Ball
    James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    BJU Int 118:112-7. 2016
    ..To compare oncological outcomes for segmental vs main renal vein invasion (RVI) in patients with renal cell carcinoma (RCC)...
  39. doi request reprint Laparoscopic radical nephrectomy for large renal masses: critical assessment of perioperative and oncologic outcomes of stage T2a and T2b tumors
    Phillip M Pierorazio
    Brady Urological Institute, Johns Hopkins University, Baltimore, Maryland 21287, USA
    Urology 79:570-5. 2012
    ..To analyze the perioperative and oncologic outcomes of >7 cm renal tumors treated with laparoscopic radical nephrectomy (LRN) at a high-volume academic center. The indications for LRN have expanded to include larger (>7 cm) lesions...
  40. doi request reprint Xanthogranulomatous pyelonephritis: presentation and management in the era of laparoscopy
    Thomas J Guzzo
    Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    BJU Int 104:1265-8. 2009
    ....
  41. doi request reprint Laparoscopic retroperitoneal lymph node dissection with therapeutic intent in men with clinical stage I nonseminomatous germ cell tumors
    Thomas J Guzzo
    The James Buchanan Brady Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    J Endourol 24:1759-63. 2010
    ..The object of this study was to assess the outcomes of patients with clinical stage I NSGCTs who underwent laparoscopic RPLND with therapeutic intent...
  42. doi request reprint Can ischemic preconditioning ameliorate renal ischemia-reperfusion injury in a single-kidney porcine model?
    David J Hernandez
    Department of Urology, The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Endourol 22:2531-6. 2008
    ..We sought to determine the effect of a specific preconditioning regimen on ischemia-reperfusion renal injury in a single-kidney porcine model...
  43. doi request reprint Erythropoietin promotes erection recovery after nerve-sparing radical retropubic prostatectomy: a retrospective analysis
    Arthur L Burnett
    Department of Urology, The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    J Sex Med 5:2392-8. 2008
    ..Erectile dysfunction persists as a major functional complication of nerve-sparing radical prostatectomy...
  44. ncbi request reprint Tumor capacitance: electrical measurements of renal neoplasia
    Takeshi Inagaki
    James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 8915, USA
    J Urol 172:454-7. 2004
    ..We evaluate the electrical properties of renal tumors using a specialized probe with the capability of measuring intra-tissue capacitance in an ex vivo model of fresh surgically excised tissue...
  45. doi request reprint Laparoscopic radical nephrectomy for patients with pathologic T3b renal-cell carcinoma: the Johns Hopkins experience
    Thomas J Guzzo
    The James Buchanan Brady Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21224, USA
    J Endourol 23:63-7. 2009
    ..The goal of our study was to evaluate the safety and short-tem oncologic efficacy of laparoscopic radical nephrectomy in patients with renal vein involvement...
  46. pmc [64Cu]XYIMSR-06: A dual-motif CAIX ligand for PET imaging of clear cell renal cell carcinoma
    Il Minn
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Oncotarget . 2016
    ..These results indicate pharmacokinetics superior to those of previously reported imaging agents binding to CAIX. [64Cu]XYIMSR-06 is a new low-molecular-weight PET ligand targeting CAIX, which can image localized and metastatic ccRCC...
  47. doi request reprint Prospective Evaluation of (99m)Tc-sestamibi SPECT/CT for the Diagnosis of Renal Oncocytomas and Hybrid Oncocytic/Chromophobe Tumors
    Michael A Gorin
    The James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Eur Urol 69:413-6. 2016
    ..Only two tumors were falsely positive on SPECT/CT, resulting in a specificity of 95.2% (95% CI, 83.8-99.4%). In summary, (99m)Tc-sestamibi SPECT/CT is a promising imaging test for the noninvasive diagnosis of renal oncocytomas and HOCTs...
  48. doi request reprint Trends and outcomes of total and partial nephrectomy in children: a statewide analysis
    Jason Cohen
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    J Pediatr Urol 10:717-23. 2014
    ..To report trends in surgical approach and associations with outcomes in children undergoing extirpative renal surgery in the state of Maryland over a 12-year period...
  49. pmc Pathological characteristics and radiographic correlates of complex renal cysts
    Adam C Reese
    Department of Urology, Temple University School of Medicine, Philadelphia, PA The James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, Md Electronic address
    Urol Oncol 32:1010-6. 2014
    ..To characterize pathological and cancer-specific outcomes of surgically resected cystic renal tumors and to identify clinical or radiographic features associated with these outcomes...
  50. doi request reprint Trends in renal surgery: robotic technology is associated with increased use of partial nephrectomy
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 189:1229-35. 2013
    ..An explanation is the learning curve associated with laparoscopic partial nephrectomy. We analyzed state trends in renal surgery and their relationship to the introduction of robotic technology...
  51. doi request reprint Pudendal artery pseudoaneurysm after robot-assisted laparoscopic radical prostatectomy
    Tom Feng
    James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21202, USA
    Urology 81:e5-6. 2013
    ..We report a patient who presented with late recurrent hematuria due to formation of an accessory pudendal artery pseudoaneurysm (Clavien grade III) after robot-assisted laparoscopic radical prostatectomy...
  52. ncbi request reprint Lymphangiography with sclerotherapy: a novel therapy for refractory chylous ascites
    Jeffrey K Mullins
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Can J Urol 19:6250-4. 2012
    ..We report the outcomes of a small series of patients with refractory chylous ascites following urologic surgery treated with lymphangiography +/- sclerotherapy...
  53. pmc Novel approach to recurrent cavoatrial renal cell carcinoma
    Jennifer L Alejo
    Division of Cardiac Surgery, Department of Urology, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Ann Thorac Surg 93:e119-21. 2012
    ..We used a thoracoabdominal approach, peripheral cannulation, and hypothermic circulatory arrest. We advocate this novel approach as a successful means of avoiding a more difficult reoperation...
  54. ncbi request reprint Modeling the cost of management options for stage I nonseminomatous germ cell tumors: a decision tree analysis
    Richard E Link
    James Buchanan Brady Urological Institute, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institute, Johns Hopkins Hospital, Baltimore, MD 21287, USA
    J Clin Oncol 23:5762-73. 2005
    ..Cost factors influencing the choice of therapy were evaluated using computer-based decision analysis...
  55. ncbi request reprint Prostate specific antigen progression in men with lymph node metastases following radical prostatectomy: results of long-term followup
    Ganesh S Palapattu
    Department of Urology, The Johns Hopkins University School of Medicine, The James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 1201, USA
    J Urol 172:1860-4. 2004
    ..We examined the clinical outcome of patients with lymph node metastases found at prostatectomy with the goal to identify factors that predict freedom from prostate specific antigen (PSA) progression...
  56. ncbi request reprint Necessity of ureteral catheter during laparoscopic partial nephrectomy
    Pierluigi Bove
    Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Urol 172:458-60. 2004
    ..In this study we assessed the necessity of ureteral catheter placement during LPN in decreasing urinary leakage...
  57. ncbi request reprint Pancreatic injuries during laparoscopic urologic surgery
    Ioannis M Varkarakis
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 8915, USA
    Urology 64:1089-93. 2004
    ..To review our experience with pancreatic injury (PI) associated with urologic laparoscopy. PI associated with urologic laparoscopy is uncommon...
  58. pmc Mortality trends and the impact of lymphadenectomy on survival for renal cell carcinoma patients with distant metastasis
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, United States
    Can Urol Assoc J 10:389-395. 2016
    ..We sought to quantify trends in mortality and performance of lymphadenectomy, as well as impact on survival for patients with mRCC...
  59. doi request reprint Grade heterogeneity in small renal masses: potential implications for renal mass biopsy
    Mark W Ball
    The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, Maryland Electronic address
    J Urol 193:36-40. 2015
    ..Understanding the degree of phenotypic heterogeneity in a small renal mass may have implications for interpreting renal mass biopsy data. In this study we quantify nuclear grade heterogeneity in small renal masses...
  60. pmc Perioperative outcomes of robotic partial nephrectomy for intrarenal tumors
    Kevin M Curtiss
    Department of Urology, The James Buchan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland
    J Endourol 29:293-6. 2015
    ..We sought to evaluate the safety, feasibility, and comparative effectiveness of robot-assisted partial nephrectomy (RPN) in the management of completely intrarenal tumors...
  61. doi request reprint The financial impact of robotic technology for partial and radical nephrectomy
    Max Kates
    The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, Maryland
    J Endourol 29:317-22. 2015
    ..We sought to evaluate the financial impact of robotic technology for partial nephrectomy (PN) and radical nephrectomy (RN) in the state of Maryland...
  62. pmc Preoperative predictors of malignancy and unfavorable pathology for clinical T1a tumors treated with partial nephrectomy: a multi-institutional analysis
    Mark W Ball
    The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, Md Electronic address
    Urol Oncol 33:112.e9-14. 2015
    ..To determine preoperative predictors associated with renal cell carcinoma (RCC) and unfavorable pathology in small renal masses treated with partial nephrectomy (PN)...
  63. pmc Morbidity of urologic surgical procedures: an analysis of rates, risk factors, and outcomes
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Md Electronic address
    Urology 85:552-9. 2015
    ..To quantify national complication rates, perioperative outcomes, and predictors for a broad range of urologic procedures to demonstrate background rates and discuss benchmarking...
  64. doi request reprint Bowel separation before percutaneous renal cryoablation
    Mohamad E Allaf
    Department of Urology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    J Urol 180:721. 2008
  65. ncbi request reprint Erythropoietin receptor expression in the human urogenital tract: immunolocalization in the prostate, neurovascular bundle and penis
    Tongyun Liu
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    BJU Int 100:1103-6. 2007
    ....
  66. doi request reprint Safety and efficacy of a surgeon-prepared gelatin hemostatic agent compared with FloSeal for hemostasis in laparoscopic partial nephrectomy
    Thomas J Guzzo
    The James Buchanan Brady Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21224, USA
    J Endourol 23:279-82. 2009
    ..The objective of our study was to compare the safety and efficacy of an inexpensive, surgeon-prepared hemostatic agent with that of a more expensive, commercially prepared one...
  67. doi request reprint Laparoscopic resection of local recurrence after previous radical nephrectomy for clinically localized renal-cell carcinoma: perioperative outcomes and initial observations
    Jithin Yohannan
    James Buchanan Brady Urological Institute, Baltimore, Maryland 21287, USA
    J Endourol 24:1609-12. 2010
    ..The objective of this study is to assess early outcomes on a select group of patients who underwent laparoscopic resection of isolated local recurrence after radical nephrectomy for clinically localized RCC...
  68. ncbi request reprint Robot-assisted radical nephrectomy with inferior vena cava tumor thrombectomy: technique and initial outcomes
    Mark W Ball
    The Johns Hopkins School of Medicine, Baltimore, Maryland, USA
    Can J Urol 22:7666-70. 2015
    ..To describe our technique for robot-assisted radical nephrectomy (RARN) with inferior vena cava (IVC) tumor thrombectomy and to present initial results for our first two patients...
  69. doi request reprint Instrument Life for Robot-assisted Laparoscopic Radical Prostatectomy and Partial Nephrectomy: Are Ten Lives for Most Instruments Justified?
    Wesley W Ludwig
    Department of Urology, The James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, Md Electronic address
    Urology 86:942-5. 2015
    ..The majority of robotic instruments have a predetermined lifespan of 10 uses; however, it is unknown if instruments are routinely exchanged before 10 uses in clinical practice...
  70. pmc Gross hematuria and urinary retention among men from a nationally representative survey in Sierra Leone
    Hiten D Patel
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD Epidemiology and Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Md Electronic address
    Urology 83:1273-8. 2014
    ..Gross hematuria and urinary retention are classic urologic complaints that require medical attention for significant underlying pathology, but their burden has not been quantified in a developing country...
  71. doi request reprint The role of GATA binding protein 3 in the differential diagnosis of collecting duct and upper tract urothelial carcinomas
    Nilda Gonzalez-Roibon
    Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
    Hum Pathol 44:2651-7. 2013
    ..Adding this marker to the combination panel of p63 and PAX8 might improve its performance in the diagnosis of epithelial neoplasms involving the renal sinus. ..
  72. doi request reprint Live robotic surgery: are outcomes compromised?
    Jeffrey K Mullins
    Department of Urology, New York University, Langone Medical Center, New York, NY, USA
    Urology 80:602-7. 2012
    ..To determine the outcomes of patients undergoing robotic partial nephrectomy as a live broadcast surgery compared to a cohort treated without observers...
  73. ncbi request reprint Small (less than 1.5 cm) renal tumor with confirmed lung metastases
    Sahar Kohanim
    Brady Urological Institute, Department of Urology, Baltimore, Maryland 21287, USA
    Urology 65:172-3. 2005
  74. doi request reprint Laparoendoscopic single-site surgery: complications and how to avoid them
    Jared R Berkowitz
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    BJU Int 106:903-7. 2010
    ..Given the paucity of published data regarding complications, we review the collective experience as well as share our own results and observations...
  75. ncbi request reprint Small cell carcinoma of epididymis: multimodal therapy
    Guilherme C Lima
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 66:432. 2005
    ..Multimodal therapy with chemotherapy and retroperitoneal lymph node dissection was necessary to manage this aggressive disease...
  76. doi request reprint Laparoscopic radical nephroureterectomy with en-bloc distal ureteral and bladder cuff excision using a single position pneumovesicum method
    Thomas J Guzzo
    The James Buchanan Brady Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Urology 72:850-2. 2008
    ..This technique is efficient, technically feasible and adheres to the oncologic principles of radical nephroureterectomy...
  77. doi request reprint Graft reconstruction of inferior vena cava for renal cell carcinoma stage pT3b or greater
    Elias S Hyams
    Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Urology 78:838-43. 2011
    ..Renal cell carcinoma has the potential to propagate and invade the IVC, requiring resection and/or reconstruction of the IVC concurrently with radical nephrectomy...
  78. ncbi request reprint Expectant treatment with curative intent in the prostate-specific antigen era: triggers for definitive therapy
    Christopher A Warlick
    Department of Urology, The James Buchanan Brady Urological Institute, Johns Hopkins Hospital, Baltimore, MD 21287, USA
    Urol Oncol 24:51-7. 2006
    ..Changes in biopsy characteristics are the most objective trigger for definitive therapy currently in use. Outcomes data are still required to determine the safety of expectant treatment for localized disease...
  79. pmc Prospects in percutaneous ablative targeting: comparison of a computer-assisted navigation system and the AcuBot Robotic System
    Richard Pollock
    The James Buchanan Urologic Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Endourol 24:1269-72. 2010
    ..Precise targeting is essential for adequate treatment of lesions during image-guided therapy. The aim of this study was to compare the performance of two emerging image-guided targeting technologies in a phantom model...
  80. ncbi request reprint Laparoscopic partial nephrectomy in patients with neoplasia in a solitary kidney
    Sam B Bhayani
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 64:35-7. 2004
    ..To assess the renal function and describe our operative experience with laparoscopic partial nephrectomy (LPN) in patients with solitary kidneys...
  81. doi request reprint Minimally invasive surgical training: challenges and solutions
    Phillip M Pierorazio
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Urol Oncol 27:208-13. 2009
    ..Ultimately, programs must provide an intense hands-on experience to trainees in all minimally invasive surgical aspects for optimal training...
  82. doi request reprint The effect of ureteral stent placement on post-ureteroscopy complications: a meta-analysis
    Danil V Makarov
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21209, USA
    Urology 71:796-800. 2008
    ..To determine, by systematic review and meta-analysis of all randomized controlled trials examining ureteral stent placement after ureteroscopy, whether the presence or absence of a stent was associated with postoperative complications...
  83. ncbi request reprint Management of secondary ureteropelvic junction obstruction after failed primary laparoscopic pyeloplasty
    Ioannis M Varkarakis
    James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 8915, USA
    J Urol 172:180-2. 2004
    ..However, little is known about the treatment of patients in whom this technique fails. We present our experience with treating ureteropelvic junction obstruction after failed primary laparoscopic pyeloplasty...
  84. doi request reprint Retroperitoneal hibernoma in a 28-year-old man
    Jithin Yohannan
    James Buchanan Brady Urological Institute, Department of Urology, Johns Hopkins Medical Institution, Baltimore, MD, USA
    Urology 78:320-1. 2011
    ..Here we present a series of images taken in a 28-year-old-man with pathologically confirmed retroperitoneal hibernoma. Surgical excision was undertaken and resulted in complete removal of the lesion...
  85. ncbi request reprint Pyeloduodenal fistula due to advanced upper tract malignancy
    David J Hernandez
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Urology 69:1206-7. 2007
  86. ncbi request reprint Comparison of erbium:yttrium-aluminum-garnet and holmium:yttrium-aluminum-garnet lasers for incision of urethra and bladder neck in an in vivo porcine model
    Ioannis M Varkarakis
    Department of Urology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 65:191-5. 2005
    ..To evaluate, in an animal model, differences in wound healing and scar formation in healthy urethra and bladder neck incised with the erbium (Er):yttrium-aluminum-garnet (YAG) and holmium (Ho):YAG lasers...
  87. pmc Immunoexpression status and prognostic value of mTOR and hypoxia-induced pathway members in primary and metastatic clear cell renal cell carcinomas
    Luciana Schultz
    Department of Pathology, The Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Am J Surg Pathol 35:1549-56. 2011
    ..PTEN loss seems to be an early event during tumorigenesis. Tumor size, HIF-1α, and phos-S6 expression were found to be independent predictors of both DSS and tumor progression in primary ccRCC...
  88. doi request reprint Nonseminomatous germ cell tumor of the testes metastatic to the corpus cavernosum of the penis
    Tom Feng
    Department of Urology, James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 75:255-6. 2010
    ..The patient received chemotherapy and experienced a complete response...
  89. ncbi request reprint Bladder irrigation using hydrogen peroxide for clot evacuation
    Christopher A Warlick
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Urology 68:1331-2. 2006
    ..We describe a novel technique for the evacuation of clot from the bladder using irrigation containing hydrogen peroxide that facilitated clot removal...
  90. ncbi request reprint Simultaneous laparoscopic prosthetic mesh inguinal herniorrhaphy during transperitoneal laparoscopic radical prostatectomy
    Mohamad E Allaf
    James Buchanan Brady Urological Institute, Johns Hopkins Bayview Medical Center, Baltimore, Maryland 21224, USA
    Urology 62:1121. 2003
    ..We present a case of simultaneous prosthetic mesh onlay hernia repair for bilateral inguinal hernias during laparoscopic transperitoneal radical prostatectomy...
  91. pmc Laparoscopic retroperitoneal lymph node dissection for stage I and II nonseminomatous germ-cell tumors
    Thomas J Guzzo
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, 600 N Wolfe Street, Park 223, Baltimore, MD 21287, USA
    Ther Adv Urol 1:107-14. 2009
    ..Over the last decade, laparoscopic retroperitoneal lymph node dissection (LRPLND) has gained popularity in several highly specialized centers...
  92. ncbi request reprint Update on watchful waiting for prostate cancer
    Mohamad E Allaf
    The Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    Curr Opin Urol 14:171-5. 2004
    ..Given the long natural history of such tumors, watchful waiting may represent an effective management strategy for some men. Recent evidence regarding this strategy and our experience is highlighted...
  93. ncbi request reprint Laparoscopic RPLND for clinical stage I nonseminomatous germ cell testicular cancer: current status
    Sam B Bhayani
    Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    Urol Oncol 22:145-8. 2004
    ..Laparoscopic RPLND, in its therapeutic form, may replicate open RPLND with a minimally invasive approach. Laparoscopic RPLND is an effective alternative to traditional treatment options...
  94. pmc Laparoendoscopic single-site surgery in urology
    Jared R Berkowitz
    The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, MD, USA
    Ther Adv Urol 1:259-66. 2009
    ..We review the collective experience with this novel technique and share our initial observations and early results...
  95. doi request reprint Ureteroscope cleaning and sterilization by the urology operating room team: the effect on repair costs
    Michelle Jo Semins
    James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Endourol 23:903-5. 2009
    ..We performed a study to define the effect of having the urology nursing staff process and sterilize all ureteroscopes, rather than the central processing core; the total repair cost and cost per use were analyzed...
  96. ncbi request reprint Evaluation of water jet morcellation as an alternative to hand morcellation of renal tissue ablation during laparoscopic nephrectomy: an in vitro study
    John M Varkarakis
    James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 8915, USA
    Urology 63:796-9. 2004
    ..To evaluate the feasibility and safety of morcellation with a new prototype device that uses high-pressure water flow as a cutting/ablating tool and compare it with standard manual morcellation...
  97. ncbi request reprint Taking the side of transperitoneal access for surgery in upper urinary tract
    Mohamad E Allaf
    The Brady Urological Institute, Johns Hopkins Medical Institutions, 600 North Wolfe Street, Jefferson Street Building, Suite 161, Baltimore, MD 21287, USA
    Curr Urol Rep 5:87-92. 2004
    ..A summary of the published literature as it pertains to the transperitoneal approach also is presented...
  98. ncbi request reprint Rebuttal from authors re: Peter Albers. Quality criteria of laparoscopic nephroureterectomy. Eur Urol. 2007;51:1481-2
    Michael Muntener
    Eur Urol 51:1482-4. 2007
  99. ncbi request reprint Evaluation of intra-abdominal pressures and gas embolism during laparoscopic partial nephrectomy in a porcine model
    Kyle J Weld
    Division of Urologic Surgery, Washington University School of Medicine, St Louis, Missouri 63110, USA
    J Urol 174:1457-9. 2005
    ..We evaluated the association of gas embolization with increased intra-abdominal pressure (IAP) in the porcine model during laparoscopic partial nephrectomy with real-time transesophageal echocardiography...
  100. ncbi request reprint Neuromuscular complications after percutaneous radiofrequency ablation of renal tumors
    Sam B Bhayani
    Division of Urology, Department of Surgery, Washington University School of Medicine, St Louis, Missouri 63110, USA
    Urology 65:592. 2005
    ..One patient developed permanent flank laxity and two had transient paresthesias. Neuromuscular complications are uncommon, but may occur with percutaneous renal ablative surgery...