Nathan Lawrentschuk

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. ncbi Clinical stage I seminoma: the case for surveillance
    Nathan Lawrentschuk
    Division of Urology, Princess Margaret Hospital, University of Toronto, Toronto, ON, Canada
    World J Urol 27:433-9. 2009
  2. doi Investigation of hypoxia and carbonic anhydrase IX expression in a renal cell carcinoma xenograft model with oxygen tension measurements and ¹²⁴I-cG250 PET/CT
    Nathan Lawrentschuk
    University of Melbourne Department of Surgery, Austin Hospital, Melbourne, Victoria, Australia
    Urol Oncol 29:411-20. 2011
  3. ncbi Health information quality on the internet in urological oncology: a multilingual longitudinal evaluation
    Nathan Lawrentschuk
    Division of Urology, University Health Network, University of Toronto, Toronto, Canada
    Urology 74:1058-63. 2009
  4. doi Functional imaging of renal cell carcinoma
    Nathan Lawrentschuk
    Department of Surgical Oncology, University of Toronto, Princess Margaret Hospital, ON, Canada
    Nat Rev Urol 7:258-66. 2010
  5. doi Impact of multiparametric endorectal coil prostate magnetic resonance imaging on disease reclassification among active surveillance candidates: a prospective cohort study
    David Margel
    Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, Toronto, Ontario, Canada
    J Urol 187:1247-52. 2012
  6. ncbi Construction and evaluation of an anatomically correct multi-image modality compatible phantom for prostate cancer focal ablation
    Uri Lindner
    Surgical Oncology, Urology Division, University Health Network, University of Toronto, Toronto, Ontario, Canada
    J Urol 184:352-7. 2010
  7. ncbi Renal cell carcinoma: imaging and therapy
    Damien M Bolton
    University of Melbourne Department of Surgery, Austin Health, Melbourne, Australia
    Curr Opin Urol 17:337-40. 2007
  8. ncbi Assessing regional hypoxia in human renal tumours using 18F-fluoromisonidazole positron emission tomography
    Nathan Lawrentschuk
    Department of Surgery, University of Melbourne, Victoria, Australia
    BJU Int 96:540-6. 2005
  9. doi Bladder carcinoma in situ (CIS) in Australia: a rising incidence for an under-reported malignancy
    Weranja K B Ranasinghe
    Department of Surgery, Urology Unit, Austin Hospital, Heidelberg, Victoria
    BJU Int 112:46-52. 2013
  10. ncbi Cystectomy in patients with spinal cord injury: indications and long-term outcomes
    Janice N Cheng
    University of Melbourne, Department of Surgery, Urology Unit, Austin Hospital, Victoria, Melbourne, Australia
    J Urol 184:92-8. 2010

Collaborators

Detail Information

Publications78

  1. ncbi Clinical stage I seminoma: the case for surveillance
    Nathan Lawrentschuk
    Division of Urology, Princess Margaret Hospital, University of Toronto, Toronto, ON, Canada
    World J Urol 27:433-9. 2009
    ..This review will focus on CSI seminoma and the controversies surrounding its treatment and based upon current available evidence will outline the case for surveillance...
  2. doi Investigation of hypoxia and carbonic anhydrase IX expression in a renal cell carcinoma xenograft model with oxygen tension measurements and ¹²⁴I-cG250 PET/CT
    Nathan Lawrentschuk
    University of Melbourne Department of Surgery, Austin Hospital, Melbourne, Victoria, Australia
    Urol Oncol 29:411-20. 2011
    ....
  3. ncbi Health information quality on the internet in urological oncology: a multilingual longitudinal evaluation
    Nathan Lawrentschuk
    Division of Urology, University Health Network, University of Toronto, Toronto, Canada
    Urology 74:1058-63. 2009
    ..Uro-oncological Internet information quality is considered variable but no comprehensive analysis exists...
  4. doi Functional imaging of renal cell carcinoma
    Nathan Lawrentschuk
    Department of Surgical Oncology, University of Toronto, Princess Margaret Hospital, ON, Canada
    Nat Rev Urol 7:258-66. 2010
    ..New radiotracers and approaches-including radiolabeled monoclonal antibodies and imaging of tumor hypoxia-are touched on, and areas of future research discussed...
  5. doi Impact of multiparametric endorectal coil prostate magnetic resonance imaging on disease reclassification among active surveillance candidates: a prospective cohort study
    David Margel
    Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, Toronto, Ontario, Canada
    J Urol 187:1247-52. 2012
    ..We report magnetic resonance imaging findings among unselected men with low risk prostate cancer before active surveillance...
  6. ncbi Construction and evaluation of an anatomically correct multi-image modality compatible phantom for prostate cancer focal ablation
    Uri Lindner
    Surgical Oncology, Urology Division, University Health Network, University of Toronto, Toronto, Ontario, Canada
    J Urol 184:352-7. 2010
    ..Our secondary aim was to asses the phantom using other imaging modalities...
  7. ncbi Renal cell carcinoma: imaging and therapy
    Damien M Bolton
    University of Melbourne Department of Surgery, Austin Health, Melbourne, Australia
    Curr Opin Urol 17:337-40. 2007
    ..The identification of patients suitable for management via nephron-sparing surgery is a key issue...
  8. ncbi Assessing regional hypoxia in human renal tumours using 18F-fluoromisonidazole positron emission tomography
    Nathan Lawrentschuk
    Department of Surgery, University of Melbourne, Victoria, Australia
    BJU Int 96:540-6. 2005
    ....
  9. doi Bladder carcinoma in situ (CIS) in Australia: a rising incidence for an under-reported malignancy
    Weranja K B Ranasinghe
    Department of Surgery, Urology Unit, Austin Hospital, Heidelberg, Victoria
    BJU Int 112:46-52. 2013
    ..To investigate the incidence of carcinoma in situ (CIS) in Australia and examine implications for its diagnosis and management, as CIS of the urinary bladder is a non-reportable disease in Australia...
  10. ncbi Cystectomy in patients with spinal cord injury: indications and long-term outcomes
    Janice N Cheng
    University of Melbourne, Department of Surgery, Urology Unit, Austin Hospital, Victoria, Melbourne, Australia
    J Urol 184:92-8. 2010
    ..We evaluated indications and outcomes of cystectomy in patients with spinal cord injury in a urology unit attached to a statewide spinal cord injury service...
  11. doi Predicting prostate biopsy outcome: artificial neural networks and polychotomous regression are equivalent models
    Nathan Lawrentschuk
    Department of Urology, University of Toronto, University Health Network, Toronto, ON, Canada
    Int Urol Nephrol 43:23-30. 2011
    ..This study develops a polychotomous logistic regression (PR) model and an artificial neural network (ANN) for predicting biopsy results, particularly for clinically significant PC...
  12. doi Comparison of risk calculators from the Prostate Cancer Prevention Trial and the European Randomized Study of Screening for Prostate Cancer in a contemporary Canadian cohort
    Greg Trottier
    Princess Margaret Hospital, University of Toronto, Toronto, Canada
    BJU Int 108:E237-44. 2011
    ..To compare the Prostate Cancer Prevention Trial Risk Calculator (PCPT-RC) and European Randomized Study of Screening for Prostate Cancer Risk Calculator (ERSPC-RC) in a single-institution Canadian cohort...
  13. doi Population-based analysis of prostate-specific antigen (PSA) screening in younger men (<55 years) in Australia
    Weranja K B Ranasinghe
    Royal Melbourne Hospital, North east Health, Wangaratta, Victoria, Australia
    BJU Int 113:77-83. 2014
    ....
  14. doi Orthotopic bladder substitution (Neobladder): part II: postoperative complications, management, and long-term follow-up
    Olivia Herdiman
    Department of Surgery, University of Melbourne, Melbourne, Victoria, Australia
    J Wound Ostomy Continence Nurs 40:171-80; quiz E1-2. 2013
    ..The common issues and complications that arise are discussed with a focus on strategies to optimize outcomes...
  15. ncbi The role of magnetic resonance imaging in targeting prostate cancer in patients with previous negative biopsies and elevated prostate-specific antigen levels
    Nathan Lawrentschuk
    Division of Urology, University Health Network, University of Toronto, Princess Margaret Hospital, Toronto, Ontario, Canada
    BJU Int 103:730-3. 2009
    ..A comparison study and cost-benefit analysis of MRI-targeted vs saturation biopsy in this group of patients would also be ideal, to delineate any advantages...
  16. doi Partial orchiectomy for presumed malignancy in patients with a solitary testis due to a prior germ cell tumor: a large North American experience
    Nathan Lawrentschuk
    Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital and the University Health Network, University of Toronto, Toronto, Ontario, Canada
    J Urol 185:508-13. 2011
    ..Most data originate from Europe. Thus, we reviewed our North American experience with such men who underwent partial orchiectomy for a presumed contralateral testicular malignancy...
  17. ncbi Xenografting tumour beneath the renal capsule using modern surgical equipment
    Nathan Lawrentschuk
    Department of Surgery and Urology, Tumour Targetting Laboratory, Austin Hospital, Heidelberg, Vic, Australia
    Eur Surg Res 38:340-6. 2006
    ..We report on a novel method for human renal tumour transplants using an automated biopsy gun to obtain tumour tissue and an epidural needle with introducer to easily deploy the grafts under the renal capsule...
  18. ncbi Therapeutic options following orchiectomy for stage I seminoma
    Nathan Lawrentschuk
    Division of Urologic Oncology, University of Toronto, University Health Network, Princess Margaret Hospital, Toronto, Ontario, Canada
    Oncology (Williston Park) 23:749-53. 2009
    ..We believe active surveillance to be the best option, then radiotherapy (considering the efficacy and safety data), with single-agent chemotherapy emerging as a possible alternative...
  19. ncbi 'Prostatic evasive anterior tumours': the role of magnetic resonance imaging
    Nathan Lawrentschuk
    University of Toronto, ON, Canada
    BJU Int 105:1231-6. 2010
    ....
  20. doi Prostate-specific antigen test result interpretation when combined with risk factors for recommendation of biopsy: a survey of urologist's practice patterns
    Nathan Lawrentschuk
    Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, 610 University Ave 3 130, Toronto, ON, M5G 2M9, USA
    Int Urol Nephrol 43:31-7. 2011
    ..Our aim was to conduct a contemporary survey of urologist's practice patterns toward PC detection, specifically focusing on factors determining the decision to recommend ultrasound-guided biopsy (TRUS-BX)...
  21. doi Impact of 5α-reductase inhibitors on men followed by active surveillance for prostate cancer
    Antonio Finelli
    Princess Margaret Hospital, University Health Network, University of Toronto, Ontario, Canada
    Eur Urol 59:509-14. 2011
    ..In two large randomized controlled trials, 5α-reductase inhibitors (5-ARIs) were shown to prevent prostate cancer. No prior work had shown the effect of 5-ARIs on those already diagnosed with low-risk prostate cancer...
  22. ncbi Correlation of hypoxic cell fraction and angiogenesis with glucose metabolic rate in gliomas using 18F-fluoromisonidazole, 18F-FDG PET, and immunohistochemical studies
    Lawrence M Cher
    Centre for PET, Austin Hospital, Heidelberg, Victoria, Australia
    J Nucl Med 47:410-8. 2006
    ....
  23. doi Diagnosis of bone metastases in urological malignancies--an update
    Nieroshan Rajarubendra
    Department of Surgery, Urology Unit, University of Melbourne, Melbourne, Australia
    Urology 76:782-90. 2010
    ....
  24. doi Operator is an independent predictor of detecting prostate cancer at transrectal ultrasound guided prostate biopsy
    Nathan Lawrentschuk
    Department of Urology, University Health Network, University of Toronto, Toronto, Ontario, Canada
    J Urol 182:2659-63. 2009
    ..Our secondary aim was to investigate whether a learning curve exists for prostate cancer detection...
  25. doi Long-term outcomes of external sphincterotomy in a spinal injured population
    David Pan
    Department of Urology, Austin Health, Victoria, Australia
    J Urol 181:705-9. 2009
    ..External sphincterotomy is an accepted option for treating patients with detrusor-sphincter dyssynergia. However, long-term outcome data are limited. We ascertained the outcome of treatment results for this procedure...
  26. ncbi Comparison of contemporary methods for estimating prostate tumour volume in pathological specimens
    Marlon Perera
    Western Health, Melbourne, Vic, Australia
    BJU Int 113:29-34. 2014
    ..To evaluate the accuracy of various prostate tumour volume (TV) estimation methods. To determine the most appropriate estimation method for current clinical practice...
  27. ncbi Imaging renal cell carcinoma with ultrasonography, CT and MRI
    Michael J Leveridge
    Division of Urology, Department of Surgical Oncology, University of Toronto, Toronto, ON M5G 2M9, Canada
    Nat Rev Urol 7:311-25. 2010
    ....
  28. ncbi Radical prostatectomy in obese patients: Improved surgical outcomes in recent years
    Uri Lindner
    Division of Urology, Department of Surgical Oncology Princess Margaret Hospital, University of Toronto, Toronto, Ontario, Canada
    Int J Urol 17:727-32. 2010
    ..The aim of this study was to clarify the relationship between obesity and surgical outcomes in patients undergoing RP...
  29. ncbi Diagnostic and therapeutic use of radioisotopes for bony disease in prostate cancer: current practice
    Nathan Lawrentschuk
    University of Melbourne, Department of Surgery, Victoria, Australia
    Int J Urol 14:89-95. 2007
    ..This article summarizes the current diagnostic and therapeutic use of radioisotopes for bony disease in prostate cancer with particular reference to radionuclide bone scintigraphy and positron emission tomography...
  30. doi Oncology health information quality on the Internet: a multilingual evaluation
    Nathan Lawrentschuk
    Ludwig Institute for Cancer Research, Austin Hospital, Melbourne, Australia
    Ann Surg Oncol 19:706-13. 2012
    ..We compared the quality of common malignancy Web sites to assess them for language or disease differences and to perform a quality comparison between medical and layperson terminology...
  31. doi Risk of developing prostate cancer in the future: overview of prognostic biomarkers
    Neil E Fleshner
    Division of Urology, University Health Network, Toronto, Ontario, Canada
    Urology 73:S21-7. 2009
    ..However, PSA remains the most reliable measure in assessing the risk of developing PCa...
  32. ncbi Outcome from percutaneous nephrolithotomy in patients with spinal cord injury, using a single-stage dilator for access
    Nathan Lawrentschuk
    University of Melbourne, Department of Surgery, Austin Hospital, Heidelberg, Victoria, Australia
    BJU Int 96:379-84. 2005
    ..To present our experience of percutaneous nephrolithotomy (PCNL) for treating urolithiasis in patients with spinal cord injury (SCI) using a single-stage dilator for percutaneous access...
  33. doi MRI for men undergoing active surveillance or with rising PSA and negative biopsies
    Orit Raz
    Division of Urology, Department of Surgical Oncology, University of Toronto, Princess Margaret Hospital, 610 University Avenue 3 130, Toronto, ON M5G 2M9, Canada
    Nat Rev Urol 7:543-51. 2010
    ..MRI might have its greatest role in patients where there is a discrepancy between PSA and biopsy results suggesting a potential missed prostate tumor...
  34. doi Prostate cancer immunology - an update for Urologists
    Nieroshan Rajarubendra
    Department of Surgery, University of Melbourne, Austin Hospital, Urology Unit, Australia
    BJU Int 107:1046-51. 2011
    ..This short review will focus on the growing body of evidence suggesting an immunity-based link between CaP and inflammation and infection...
  35. ncbi Renal cell carcinoma following testicular cancer: case report and literature review
    Nathan Lawrentschuk
    Department of Surgery, Division of Urology and Ludwig Institute for Cancer Research, University of Melbourne, Austin and Repatriation Medical Centre, Bergundy Street, 3084, Heidelberg, Victoria, Australia
    Int Urol Nephrol 38:1-4. 2006
  36. ncbi Hyper-elevated prostate-specific antigen levels are not always carcinoma
    Nathan Lawrentschuk
    University of Melbourne, Department of Surgery, Austin Hospital, Heidelberg, Victoria, 3084, Australia
    Br J Hosp Med (Lond) 67:152-3. 2006
  37. doi An analysis of world media reporting of two recent large randomized prospective trials investigating screening for prostate cancer
    Nathan Lawrentschuk
    Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, Toronto, Ontario, Canada
    BJU Int 108:E190-5. 2011
    ..To characterize the world online media response to the studies by assessing reports for quality and message, as well as noting geographical differences...
  38. ncbi Fiducial markers and spacers in prostate radiotherapy: current applications
    Michael Ng
    Radiation Oncology Victoria, Melbourne, Vic, Australia
    BJU Int 113:13-20. 2014
    ..To review the use of fiducial markers and spacers in prostate radiotherapy (RT)...
  39. doi Fragmentation of transrectal ultrasound-guided biopsy cores is influenced by the method of specimen retrieval
    Prassannah Satasivam
    Department of Surgery and Department of Urology, University of Melbourne, Austin Health, Melbourne, Australia
    Urology 83:622-5. 2014
    ....
  40. doi Orthotopic bladder substitution (neobladder): part I: indications, patient selection, preoperative education, and counseling
    Kevin Ong
    Austin Health, Urology Unit, Department of Surgery, University of Melbourne, Melbourne, Victoria, Australia
    J Wound Ostomy Continence Nurs 40:73-82. 2013
    ..The second article in this 2-part series will outline postoperative strategies to manage these patients...
  41. doi Small renal mass: what the urologist needs to know for treatment planning and assessment of treatment results
    Oleksandr Stakhovskyi
    Division of Urology, Department of Surgery, Princess Margaret Hospital and the University Health Network, University of Toronto, 610 University Ave, 3 124, Toronto, Ontario M5G 2C4, Canada
    AJR Am J Roentgenol 196:1267-73. 2011
    ..Small renal mass is a new distinct clinical entity. Detection of these tumors has increased with increased use of imaging...
  42. ncbi PET in prostate and bladder tumors
    Sze Ting Lee
    Centre for PET, Austin Hospital, Melbourne, Australia
    Semin Nucl Med 42:231-46. 2012
    ....
  43. doi Consumerism and its impact on robotic-assisted radical prostatectomy
    Sultan Alkhateeb
    Division of Urology, Department of Surgery, King Fahad National Guard Hospital, King Abdulaziz Medical City, Riyadh, Saudi Arabia
    BJU Int 108:1874-8. 2011
    ..The primary objective of the present study was to delineate the role of media coverage and marketing of RARP on the Internet, whereas the secondary goal focused on website quality with respect to the presentation of prostatectomy...
  44. doi Evolution from active surveillance to focal therapy in the management of prostate cancer
    Uri Lindner
    Department of Urology and Surgical Oncology, Princess Margaret Hospital, 610 University Ave, Toronto, ON M5G 2M9, Canada
    Future Oncol 7:775-87. 2011
    ..FT might eventually prove to be a 'middle ground' between active surveillance and radical treatment, combining minimal morbidity with cancer control and the potential for retreatment...
  45. doi Peripheral primitive neuroectodermal tumor arising from the seminal vesicle
    Nathan Lawrentschuk
    Department of Surgery, University of Melbourne, Austin Hospital, Heidelberg, Vic, Australia
    Urol Int 80:212-5; discussion 216. 2008
    ..It is essential that unusual tumors are considered when confronted by a seminal vesicle mass and that appropriate investigation and management are initiated...
  46. ncbi Delineating the anatomy of oncologic postradiation vesicovaginal fistulae with reconstructed computed tomography
    Nathan Lawrentschuk
    Department of Surgery, University of Melbourne, Austin Hospital, Studley Road, Heidelberg, Victoria, 3084, Australia
    Int Urogynecol J Pelvic Floor Dysfunct 18:955-7. 2007
    ..The key diagnosis and treating of vesicovaginal fistulae is accurate imaging. We illustrate the latest use of enhanced computed tomography for such cases...
  47. ncbi An analysis of deaths related to urological surgery, reviewed by the State Coroner: a case for cardiac vigilance before transurethral prostatectomy
    Dennis Gyomber
    Surgery and Urology, University of Melbourne, Austin Hospital, Heidelberg, Australia
    BJU Int 97:758-61. 2006
    ....
  48. doi Clinical significance of the positive surgical margin based upon location, grade, and stage
    Neil E Fleshner
    Division of Urology, University Health Network and Department of Surgery, University of Toronto, Toronto, Ontario, Canada
    Urol Oncol 28:197-204. 2010
    ..PT3B margin positive patients should be offered radiotherapy. PT4 with bladder neck only margin positive can probably be observed...
  49. doi Focal therapy in prostate cancer: modalities, findings and future considerations
    Uri Lindner
    University of Toronto, Department of Urology and Surgical Oncology, Princess Margaret Hospital, University Health Network, 610 University Avenue, Toronto, ON M5G 2M9, Canada
    Nat Rev Urol 7:562-71. 2010
    ..Focal therapy might eventually prove to be a 'middle ground' between active surveillance and radical treatment, combining minimal morbidity with cancer control and the potential for re-treatment...
  50. doi Focal laser ablation for prostate cancer followed by radical prostatectomy: validation of focal therapy and imaging accuracy
    Uri Lindner
    Surgical Oncology, Urology Division, University Health Network, University of Toronto, Toronto, Canada
    Eur Urol 57:1111-4. 2010
    ..The MRI-calculated ablated volume correlated well with histopathology. We found that FLA creates confluent ablation with no evidence of viable cells in treated regions. Postablation MRI is able to determine the ablation accurately...
  51. ncbi Multidetector computed tomography vs magnetic resonance imaging for defining the upper limit of tumour thrombus in renal cell carcinoma: a study and review
    Nathan Lawrentschuk
    Surgery and Urology, University of Melbourne, Austin Hospital, Heidelberg, Victoria, Australia
    BJU Int 96:291-5. 2005
    ....
  52. doi Current role of PET, CT, MR for invasive bladder cancer
    Nathan Lawrentschuk
    Ludwig Institute for Cancer Research, Melbourne, Australia
    Curr Urol Rep 14:84-9. 2013
    ..This concise review will outline the role of these modalities when dealing with muscle-invasive bladder cancer (MIBC)...
  53. doi Prevention and management of TURP-related hemorrhage
    Liam E Kavanagh
    University of Melbourne, Department of Surgery, Ludwig Institute for Cancer Research, Austin Hospital, Studley Road, Heidelberg, Melbourne, VIC 3084, Australia
    Nat Rev Urol 8:504-14. 2011
    ..Ultimately, no surgical technique is devoid of bleeding risks, and urologists should be aware of how best to prevent and treat TURP-related hemorrhage...
  54. doi Active surveillance for low-risk prostate cancer: an update
    Nathan Lawrentschuk
    Ludwig Institute for Cancer Research and University of Melbourne Department of Surgery, Austin Hospital, Studley Road, Melbourne, VIC 3084, Australia
    Nat Rev Urol 8:312-20. 2011
    ..Nevertheless, active surveillance is an appealing management option for selected men with prostate cancer...
  55. ncbi Cystoscopy in women with recurrent urinary tract infection
    Nathan Lawrentschuk
    University of Melbourne, Department of Surgery, Austin Health, Melbourne, Australia
    Int J Urol 13:350-3. 2006
    ..Our further aims were to correlate imaging and risk factors with cystoscopic findings to determine their predictive value in finding pathology...
  56. doi Penile lichen sclerosus (balanitis xerotica obliterans)
    David Clouston
    Focus Pathology, Melbourne, Australia
    BJU Int 108:14-9. 2011
    ..It brings together a number of papers which have addressed the association of lichen sclerosus with squamous cell carcinoma of the penis and shows that the likely incidence of carcinoma is approximately 4-8% in men with this condition...
  57. ncbi Multi-resistant Escherichia coli sepsis following transrectal ultrasound-guided prostate biopsy
    Adee Jonathan Davidson
    University of Melbourne, Department of Surgery, Austin Hospital, Heidelberg, Victoria, Australia
    Br J Hosp Med (Lond) 67:98-9. 2006
  58. ncbi Extensive urinary system lymphoma delineated by coronal computed tomography
    Jason Ooi
    University of Melbourne, Department of Surgery, Austin Hospital, Studley Road, Heidelberg, Victoria, Australia
    ScientificWorldJournal 4:1014-6. 2004
  59. ncbi Focal laser ablation for localized prostate cancer
    Uri Lindner
    Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, University of Toronto, Toronto, Canada
    J Endourol 24:791-7. 2010
    ..This review focuses on the use of the laser as the energy source for focal ablation, while bringing historically relevant information regarding laser energy and highlighting the perceived advantageous of focal laser ablation...
  60. ncbi Fluorine-18 fluorothymidine: a new positron emission radioisotope for renal tumors
    Nathan Lawrentschuk
    Department of Surgery, Urology and Medicine, University of Melbourne, Melbourne, Australia
    Clin Nucl Med 31:788-9. 2006
    ..Importantly, the study was able to guide clinicians toward appropriate surgical management. The use of such tracers may herald a new era in renal tumor imaging...
  61. ncbi Laparoscopic lens fogging: a review of etiology and methods to maintain a clear visual field
    Nathan Lawrentschuk
    Department of Urology, University of Toronto, University Health Network, Toronto General Hospital, Toronto, Canada
    J Endourol 24:905-13. 2010
    ..Of those methods that are often espoused, most are not supported in the literature, such as warmed and humidified insufflation gas, or simply lack data, such as antifogging solutions...
  62. doi Investigating contamination of phytotherapy products for benign prostatic hyperplasia with alpha-blockers and 5alpha-reductase inhibitors
    Dean Sol Elterman
    Princess Margaret Hospital, Toronto, Ontario, Canada
    J Urol 183:2085-9. 2010
    ..Thus, we determined whether pharmacological doses of alpha-blockers and/or 5alpha-reductase inhibitors were present in a sample of phytotherapeutic agents for benign prostatic hyperplasia...
  63. doi Tumor volume in radical prostatectomy specimens assessed by digital image analysis software correlates with other prognostic factors
    Justin C Sherwin
    TissuPath Pty Ltd and Faculty of Medicine, Nursing and Health Sciences, Monash University School of Medicine, Melbourne, Australia
    J Urol 183:1808-14. 2010
    ..We ascertained whether image analysis software calculations of prostate tumor volume correlate with such prognostic factors, particularly positive surgical margins...
  64. ncbi Fournier's gangrene - delayed pedicle flap based upon the anterior abdominal wall
    Ania Sliwinski
    Department of Urology, University of Melbourne, Austin Hospital, Melbourne, Australia
    Int Braz J Urol 40:423-6. 2014
    ..Conclusion: Penile skin recovery following Fournier's gangrene recovery is problematic. This case demonstrates the functionality of a delayed flap repair using the anterior abdominal wall. ..
  65. pmc A smoking cessation program as a resource for bladder cancer patients
    Daniel Vilensky
    Department of Urology and Surgical Oncology, University Health Network, Princess Margaret Hospital and Toronto General Hospital, Toronto, University of Toronto, ON
    Can Urol Assoc J 6:E167-73. 2012
    ..Our aim was to determine if patients with CaB who continue to smoke warrant a smoking cessation program as a resource for improving their prognosis and long-term health...
  66. pmc Effects of partial nephrectomy on postoperative blood pressure
    Nathan Lawrentschuk
    Ludwig Institute for Cancer Research, Department of Surgery, Austin Hospital, University of Melbourne Faculty of Medicine, Heidelberg, Australia
    Korean J Urol 53:154-8. 2012
    ..The effects of partial nephrectomy (PN) on postoperative blood pressure (BP) are not known, and PN has the potential to worsen BP. We therefore sought to determine whether PN alters postoperative BP...
  67. doi Phosphodiesterase 5 inhibitors in the management of benign prostatic hyperplasia and erectile dysfunction: the best of both worlds
    Peter Wong
    University of Melbourne, Department of Surgery, Austin Hospital, Melbourne, Australia
    Curr Opin Urol 19:7-12. 2009
    ..There is emerging evidence that they may have a role in treating patients with lower urinary tract symptoms (LUTS) from benign prostatic hypertrophy...
  68. ncbi Functional imaging of intratumoral hypoxia
    Serene S Foo
    Ludwig Institute for Cancer Research, University of Melbourne, Austin Hospital, Victoria, Australia
    Mol Imaging Biol 6:291-305. 2004
    ..Recent evidence that hypoxia also influences the regulation and transcription of various genes involved in malignant growth and metastases, and promotes a more aggressive tumor phenotype makes its diagnosis even more important...
  69. pmc Surgical margin status among men with organ-confined (pT2) prostate cancer: a population-based study
    Nathan Lawrentschuk
    University of Toronto, Division of Urology, University Health Network, Princess Margaret and Toronto General Hospitals, Toronto, ON
    Can Urol Assoc J 5:161-6. 2011
    ....
  70. ncbi Occult renal segmental arterial injury after trauma
    Nathan Lawrentschuk
    Department of Surgery and Urology, University of Melbourne, Austin Hospital, Heidelberg, Victoria, Australia
    Urology 65:386-7. 2005
  71. ncbi Fixed drug eruption of the penis secondary to sulfamethoxazole-trimethoprim
    Nathan Lawrentschuk
    University of Melbourne, Department of Surgery and Urology, Austin Hospital, Heidelberg, Victoria, Australia
    ScientificWorldJournal 6:2319-22. 2006
    ..In summary, withdrawal of the offending medication and initiation of corticosteroid therapy remain the cornerstones of treatment of fixed drug eruptions of the penis...
  72. doi Evolution of the USANZ tie
    David R Webb
    University of Melbourne, Department of Surgery Austin Health, Studley Rd, Heidelberg, Melbourne, Victoria 3084, Australia
    BJU Int 107:4-6. 2011
    ..This paper traces the evolution of the USANZ tie...
  73. ncbi Sclerosing lipogranuloma of the genitalia treated with corticosteroids
    Nathan Lawrentschuk
    Department of Surgery, University of Melbourne, Austin Hospital, Studley Road, 3084, Heidelberg, Victoria, Australia
    Int Urol Nephrol 38:97-9. 2006
    ..In conclusion, if sclerosing lipogranuloma is suspected biopsy should be undertaken to exclude sarcoma. We believe surgery should be reserved for recurrent or refractory cases when steroids have failed as first-line treatment...
  74. doi Organ-sparing approaches for testicular masses
    Alvaro Zuniga
    Department of Surgical Oncology, Division of Urology, Princess Margaret Hospital and the University Health Network, University of Toronto, 610 University Avenue, 3 124, Toronto, ON M5G 2C4, Canada
    Nat Rev Urol 7:454-64. 2010
    ..However, the safety and efficacy of these procedures needs to be demonstrated in comparison with partial orchiectomy in larger and prospective studies with longer follow-up...
  75. doi Efficacy of a second line luteinizing hormone-releasing hormone agonist after advanced prostate cancer biochemical recurrence
    Nathan Lawrentschuk
    University of Toronto, University Health Network, Department of Urology, Princess Margaret Hospital, Toronto, Ontario, Canada
    J Urol 185:848-54. 2011
    ..Secondary objectives were to calculate the PSA response and determine whether sequence order impacted the response...
  76. ncbi Training model for open or laparoscopic pyeloplasty
    Jason Ooi
    Department of Surgery, University of Melbourne, Geelong Hospital, Victoria, Australia, Austin Hospital, Heidelberg, Victoria, Australia
    J Endourol 20:149-52. 2006
    ..To demonstrate the construction of a simple training model from reconfigured chicken skin to simulate open and laparoscopic reconstructive pyeloplasty...
  77. doi Severe irritant contact dermatitis causing skin ulceration secondary to a testosterone patch
    Nathan Lawrentschuk
    Division of Urology, University of Toronto, Canada
    ScientificWorldJournal 9:333-8. 2009
    ....
  78. ncbi Nutraceuticals and prostate cancer prevention: a current review
    Greg Trottier
    Division of Urology, Department of Surgical Oncology, University Health Network, University of Toronto, Princess Margaret Hospital, 610 University Avenue 3 130, Toronto, ON M5G 2M9, Canada
    Nat Rev Urol 7:21-30. 2010
    ..We believe many of these 'natural' compounds have therapeutic potential and anticipate future studies will consist of well-designed clinical trials assessing combinations of compounds concurrently...