Research Topics
Species | Ivan PedrosaSummaryAffiliation: Harvard University Country: USA Publications
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Publications
Arterial spin labeling MR imaging for characterisation of renal masses in patients with impaired renal function: initial experienceIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA
Eur Radiol 22:484-92. 2012..To retrospectively evaluate the feasibility of arterial spin labeling (ASL) magnetic resonance imaging (MRI) for the assessment of vascularity of renal masses in patients with impaired renal function...
MR imaging of acute right lower quadrant pain in pregnant and nonpregnant patientsIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA
Radiographics 27:721-43; discussion 743-53. 2007..MR imaging is an excellent imaging modality for evaluation of RLQ pain and should be strongly considered in those patients in whom use of iodinated contrast media or radiation is not desirable...
Pregnant patients suspected of having acute appendicitis: effect of MR imaging on negative laparotomy rate and appendiceal perforation rateIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, One Deaconess Road, Boston, MA 02215, USA
Radiology 250:749-57. 2009....
MR classification of renal masses with pathologic correlationIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02118, USA
Eur Radiol 18:365-75. 2008..The MRI feature analysis and proposed classification system help predict the histological type and nuclear grade of renal masses...
MR imaging of renal masses: correlation with findings at surgery and pathologic analysisIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA
Radiographics 28:985-1003. 2008..Oncocytoma has a variable and nonspecific appearance at MR imaging. MR imaging findings may allow the characterization of various renal masses and can provide valuable information for their clinical management...
Dynamic half-Fourier single-shot turbo spin echo for assessment of deep venous thrombosis: initial observationsIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Magn Reson Imaging 27:617-24. 2009..The objective of this study was to retrospectively analyze the value of dynamic half-Fourier single-shot turbo spin echo (HASTE) imaging in patients with suspected deep venous thrombosis (DVT)...
MR imaging in abdominal emergenciesIvan Pedrosa
Department of Radiology, Harvard Medical School, Boston, MA, USA
Radiol Clin North Am 41:1243-73. 2003..Further investigations are needed to identify the diagnostic algorithms for which this favorable use holds true...
Magnetic resonance imaging as a biomarker in renal cell carcinomaIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
Cancer 115:2334-45. 2009..ASL MRI has the potential to serve as a biomarker for patients with metastatic RCC by offering a noninvasive measure of tumor blood flow changes accompanying antiangiogenic therapy...
MR imaging evaluation of acute appendicitis in pregnancyIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Radiology 238:891-9. 2006..To retrospectively assess the diagnostic performance of magnetic resonance (MR) imaging in pregnant patients suspected of having acute appendicitis...
MR imaging of the prostate at 3 Tesla: comparison of an external phased-array coil to imaging with an endorectal coil at 1.5 TeslaJacob Sosna
Department of Radiology and Urology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Acad Radiol 11:857-62. 2004..5-T imaging. These findings suggest that additional options are now available for magnetic resonance imaging of the prostate gland...
Does arterial spin-labeling MR imaging-measured tumor perfusion correlate with renal cell cancer response to antiangiogenic therapy in a mouse model?Rachel Schor-Bardach
Minimally Invasive Tumor Therapy Lab, Beth Israel Deaconess Medical Center, Harvard Medical School, 1 Deaconess Rd, WCC 308 B, Boston, MA 02215, USA
Radiology 251:731-42. 2009..To determine whether arterial spin-labeling (ASL) magnetic resonance (MR) imaging findings at baseline and early during antiangiogenic therapy can predict later resistance to therapy...
Comparison of four early posttherapy imaging changes (EPTIC; RECIST 1.0, tumor shrinkage, computed tomography tumor density, Choi criteria) in assessing outcome to vascular endothelial growth factor-targeted therapy in patients with advanced renal cell caKatherine M Krajewski
Department of Imaging, Dana Farber Cancer Institute, Boston, MA, USA
Eur Urol 59:856-62. 2011..Since these therapies can induce tumor necrosis and minimal tumor shrinkage, Response Evaluation Criteria in Solid Tumors (RECIST) may not be optimal for predicting clinical outcome...
Part II: preparing and assessing first-year radiology resident on-call readiness technical implementationChun Shan Yam
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA
Acad Radiol 13:770-3. 2006..This report describes technical aspects for the design and implementation of this system...
Renal cell carcinoma: dynamic contrast-enhanced MR imaging for differentiation of tumor subtypes--correlation with pathologic findingsMaryellen R M Sun
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215, USA
Radiology 250:793-802. 2009....
Preparing first-year radiology residents and assessing their readiness for on-call responsibilities: results over 5 yearsSuvranu Ganguli
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA
AJR Am J Roentgenol 192:539-44. 2009....
MRI of right-sided abdominal pain in pregnancyAimee D Eyvazzadeh
Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215, USA
AJR Am J Roentgenol 183:907-14. 2004
Screening patients to assess renal function before administering gadolinium chelates: assessment of the Choyke questionnaireBrena F Sena
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA
AJR Am J Roentgenol 195:424-8. 2010....
Incidence of contrast-induced nephropathy in patients with multiple myeloma undergoing contrast-enhanced CTJay K Pahade
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
AJR Am J Roentgenol 196:1094-101. 2011....
Decreases in free cholesterol and fatty acid unsaturation in renal cell carcinoma demonstrated by breath-hold magnetic resonance spectroscopyRachel Katz-Brull
Dept. of Radiology, Beth Israel Deaconess Medical Ctr, 330 Brookline Ave, Boston, MA 02215, USA
Am J Physiol Renal Physiol 288:F637-41. 2005..The ability to detect renal metabolic shifts noninvasively may improve the specificity of preoperative renal tissue characterization and may provide a new modality for treatment monitoring...
Imaging in renal cell carcinomaKatherine M Krajewski
Department of Imaging, Dana Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA
Hematol Oncol Clin North Am 25:687-715. 2011..Future directions in RCC imaging are presented, including dynamic contrast-enhanced and unenhanced techniques, as well as the development of novel tracers for positron emission tomography...
Magnetic resonance imaging-measured blood flow change after antiangiogenic therapy with PTK787/ZK 222584 correlates with clinical outcome in metastatic renal cell carcinomaCedric De Bazelaire
Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Clin Cancer Res 14:5548-54. 2008....
Is true FISP imaging reliable in the evaluation of venous thrombosis?Ivan Pedrosa
Department of Radiology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
AJR Am J Roentgenol 185:1632-40. 2005..True FISP images should not be used exclusively for the diagnosis of venous thrombosis...
Low dose pedal magnetic resonance angiography at 3 tesla with time-resolved imaging of contrast kinetics: a feasibility studySuvranu Ganguli
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02215, USA
Invest Radiol 43:650-5. 2008..To assess the feasibility of low-dose time-resolved imaging of contrast kinetics (TRICKS) magnetic resonance (MR) angiography of the pedal vasculature at 3.0 Tesla (T) using a head coil...
Magnetic resonance imaging of renal massesMaryellen R M Sun
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Semin Ultrasound CT MR 30:326-51. 2009..Examples of the imaging appearance of common and uncommon renal masses are provided along with a protocol for comprehensive magnetic resonance examination of the kidneys...
Lower limits of detection using magnetic resonance imaging for solid components in cystic renal neoplasmsGregory S Adey
Department of Surgery Urology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
Urology 71:47-51. 2008..We determined the positive predictive value (PPV) for malignancy in complex renal cysts with focal nodular enhancement seen on magnetic resonance imaging (MRI)...
Pancreatic sarcoidosis: MRI featuresRonaldo H Baroni
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
J Magn Reson Imaging 20:889-93. 2004..Pancreatic sarcoidosis should therefore be included in the differential diagnosis of multiple pancreatic masses with these MRI features...
Patterns of misinterpretation of adnexal masses on CT and MR in an academic radiology departmentElizabeth Asch
Harvard Medical School, Boston, MA, USA
Acad Radiol 16:969-80. 2009..The aim of this study was to assess potential quality assurance (QA) issues in the diagnosis and characterization of adnexal masses on pelvic computed tomographic (CT) and magnetic resonance (MR) imaging studies...
An unusual variant of anomalous pancreaticobiliary junction in a patient with pancreas divisum diagnosed with secretin-magnetic resonance cholangiopancreatographyColm J McMahon
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
Pancreas 39:101-4. 2010..The features that allowed the diagnosis to be made and the implications of this diagnosis are described in this report...
Lymphatic metastases from pelvic tumors: anatomic classification, characterization, and stagingColm J McMahon
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Shapiro Clinical Center 4th Floor, Boston, MA 02215, USA
Radiology 254:31-46. 2010..Pelvic lymph node anatomy and nomenclature are reviewed with schematic illustrations and clinical examples from patients with pelvic tumors...
Short breath-hold, volumetric coronary MR angiography employing steady-state free precession in conjunction with parallel imagingThoralf Niendorf
Applied Science Laboratory, GE Healthcare, Boston, Massachusetts, USA
Magn Reson Med 53:885-94. 2005..This strategy permits imaging of the major coronary artery distributions in two to three breath-holds using targeted slabs, and offers the potential for single breath-hold, large-volume CMRA...
3 Tesla magnetic resonance imaging of the prostate with combined pelvic phased-array and endorectal coils; Initial experience(1)B Nicolas Bloch
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, 330 Brookline Ave, Boston, MA, USA
Acad Radiol 11:863-7. 2004..5T has gained acceptance for pretherapeutic staging of prostate cancer. The aim of this study was to evaluate the potential clinical utility of combined pelvic phased-array and endorectal coils at 3T...
Strategies for reducing respiratory motion artifacts in renal perfusion imaging with arterial spin labelingPhilip M Robson
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
Magn Reson Med 61:1374-87. 2009..High-quality renal perfusion measurements with reduced respiratory motion artifacts have been demonstrated using ASL when appropriate background suppression and breathing strategies are applied...
Multimodality postoperative imaging of liver transplantationGiulia A Zamboni
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215, USA
Eur Radiol 18:882-91. 2008..This review describes the imaging findings of normal and abnormal transplanted liver parenchyma and of vascular and biliary post-transplantation complications...
Magnetic resonance imaging findings in solitary fibrous tumor of the kidneyThorsten R C Johnson
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
J Comput Assist Tomogr 29:481-3. 2005..These imaging features, atypical for renal cell carcinoma, can suggest the diagnosis of SFT and may be an indication for attempting nephron-sparing surgery...
Corticomedullary differentiation on T1-Weighted MRI: comparison between cirrhotic and noncirrhotic patientsKaren S Lee
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
J Magn Reson Imaging 35:644-9. 2012..To determine whether corticomedullary differentiation (CMD) is increased in patients with cirrhosis compared to controls on axial T1-weighted magnetic resonance imaging (MRI)...
Shortening MR image acquisition time for volumetric interpolated breath-hold examination with a recently developed parallel imaging reconstruction technique: clinical feasibilityCharles A McKenzie
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Room AN 239, Boston, MA 02215, USA
Radiology 230:589-94. 2004..Parallel MR imaging-accelerated VIBE may be beneficial for patients who have difficulty sustaining a breath hold for the duration necessary to perform nonaccelerated imaging...
Body MR imaging at 3.0 T: understanding the opportunities and challengesMara M Barth
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Radiographics 27:1445-62; discussion 1462-4. 2007..0-T MR imaging systems are complicated by additional safety hazards unique to high-field-strength magnets. These aspects of 3.0-T body imaging represent current challenges and opportunities for radiology practice...
Innovations and challenges in renal cancer: summary statement from the Third Cambridge ConferenceMichael B Atkins
Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Cancer 115:2247-51. 2009..The conference format combined brief presentations with extended periods of discussion. The conclusions and recommendations are summarized in this paper and presented in more detail in the individual papers that follow...
Need for intraoperative ultrasound and surgical recommendation for partial nephrectomy: correlation with tumor imaging features and urologist practice patternsMaryellen R M Sun
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Ultrasound Q 28:21-7. 2012....
Clinical implications of mucinous nonneoplastic cysts of the pancreasSatish N Nadig
Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Pancreas 41:441-6. 2012..This article aimed to highlight the clinical characteristics and implications of this new subset of pancreatic cystic lesions...
MR techniques for renal imagingJingbo Zhang
Department of Radiology, Beth Israel Deaconess Medical Center, Shapiro 4 Clinical Center, 330 Brookline Avenue, Boston, MA 02215, USA
Radiol Clin North Am 41:877-907. 2003..This article describes the principles, attributes, and pitfalls of the many MR imaging approaches available for assessment of renal-related disorders. Tables 1 and 2 summarize the specific approach and rationale...
Magnetic resonance imaging for disorders of liver vasculatureMartina M Morrin
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
Top Magn Reson Imaging 13:177-90. 2002....
MDCT angiography of acute chest pain: evaluation of ECG-gated and nongated techniquesVassilios D Raptopoulos
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215, USA
AJR Am J Roentgenol 186:S346-56. 2006..CONCLUSION: The chest pain protocol can be used to assess both the pulmonary arteries and the thoracic aorta, whereas the ECG-gating protocol appears to be a promising adjunct for a comprehensive single chest pain protocol...
Body MRI using IDEALDaniel N Costa
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA, USA
AJR Am J Roentgenol 190:1076-84. 2008..CONCLUSION: This article describes the basic principles of IDEAL MRI and illustrates the use of IDEAL imaging as an alternative to fat-suppression techniques and chemical shift imaging for body MRI...
Prevalence of incidental pancreatic cysts in the adult population on MR imagingKaren S Lee
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
Am J Gastroenterol 105:2079-84. 2010..The aim of our study was to determine the prevalence of incidentally detected pancreatic cysts in the adult population undergoing abdominal magnetic resonance (MR) imaging...
Localization of the appendix at MR imaging during pregnancy: utility of the cecal tilt angleKaren S Lee
Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215, USA
Radiology 249:134-41. 2008....
Quality initiatives: imaging pregnant patients with suspected pulmonary embolism: what the radiologist needs to knowJay K Pahade
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA
Radiographics 29:639-54. 2009..Thus, radiologists should be familiar with the advantages and disadvantages of available imaging modalities, methods for dose reduction, radiation risks, and medicolegal risk management guidelines...
The interrupted rim sign in acute cholecystitis: a method to identify the gangrenous form with MRIIvan Pedrosa
Department of Radiology, Beth Israel Deaconess Medical Center Boston, Massachusetts 02215, USA
J Magn Reson Imaging 18:360-3. 2003..This interrupted rim of mucosal enhancement correlated with patchy areas of necrosis and inflammation of the gallbladder mucosa on the histopathological examination...
Magnetic resonance mapping of transplanted endothelial progenitor cells for therapeutic neovascularization in ischemic heart diseaseAlberto Weber
Divisions of Cardiovascular Research and Cardiovascular Medicine, St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, MA 02135, USA
Eur J Cardiothorac Surg 26:137-43. 2004..CONCLUSIONS: Magnetically labeled EPCs transplanted for therapeutic neovascularization in myocardial ischemia can be visualized with ex vivo MRI at high-field strengths...
Part I: preparing first-year radiology residents and assessing their readiness for on-call responsibilitiesSuvranu Ganguli
Beth Israel Deaconess Medical Center and Harvard Medical School, Department of Radiology, Boston, MA 02215, USA
Acad Radiol 13:764-9. 2006....
Multi-detector row computed tomography and blunt chest traumaMariano Scaglione
Emergency and Trauma CT Section, Department of Radiology, Cardarelli Hospital, Via G Merliani 31, 80127 Napoli, Italy
Eur J Radiol 65:377-88. 2008..The high sensitivity of MDCT has increased the recognized spectrum of injuries. This new technology can be regarded as an extremely valuable adjunct to physical examination to recognize suspected and unsuspected blunt chest trauma...
Lymphoplasmacytic sclerosing pancreatitisDarren Brennan
AJR Am J Roentgenol 185:1367-8; author reply 1368. 2005
