Research Topics
| Conrad WittramSummaryAffiliation: Massachusetts General Hospital Country: USA Publications
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Publications
How I do it: CT pulmonary angiographyConrad Wittram
Department of Thoracic Radiology, Massachusetts General Hospital, Founders 202, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 188:1255-61. 2007....
Inspiratory and expiratory helical CT of normal adults: comparison of thin section scans and minimum intensity projection imagesConrad Wittram
Department of Medical Imaging, The Toronto Hospital, Toronto, Ontario, Canada
J Thorac Imaging 17:47-52. 2002..Compared with TSS, MinIPs improve the conspicuity of air trapping in healthy individuals. Therefore, expiratory MinIPs may be useful in detecting air trapping as a result of disease...
18F-FDG PET of pulmonary embolismConrad Wittram
Division of Thoracic Radiology, Massachusetts General Hospital, Founders 202, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 189:171-6. 2007..CONCLUSION: The activity of acute pulmonary embolism on FDG PET scans was significantly higher than the activity of vessels not containing thrombi. The shape of the abnormal FDG uptake may be focal or curvilinear...
Transient interruption of contrast on CT pulmonary angiography: proof of mechanismConrad Wittram
Division of Thoracic Radiology, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
J Thorac Imaging 22:125-9. 2007....
99mTc sestamibi uptake by acute pulmonary embolismConrad Wittram
Division of Thoracic Radiology, Department of Radiology, FND 202, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 187:1611-3. 2006
Acute and chronic pulmonary emboli: angiography-CT correlationConrad Wittram
Department of Thoracic Radiology, Massachusetts General Hospital, Founders 202, 55 Fruit St, Boston, MA 02115, USA
AJR Am J Roentgenol 186:S421-9. 2006..Conventional angiography should be used as a problem-solving technique after CT angiography has been performed because CT angiography is less invasive...
Attenuation of acute and chronic pulmonary emboliConrad Wittram
Department of Thoracic Radiology, Massachusetts General Hospital and Harvard Medical School, Founders 202, 55 Fruit St, Boston, MA 02115, USA
Radiology 235:1050-4. 2005..To compare retrospectively the attenuation coefficients of acute and chronic pulmonary embolism (PE)...
The idiopathic interstitial pneumoniasConrad Wittram
Department of Radiology, Massachusetts General Hospital, Boston, MA, USA
Curr Probl Diagn Radiol 33:189-99. 2004..Lymphoid interstitial pneumonia manifests by ground glass opacities and nodular interlobular septal thickening on CT. The diagnosis of an IIP should be rendered ideally only after all clinicoradiologic-pathologic data have been reviewed...
CT angiography of pulmonary embolism: diagnostic criteria and causes of misdiagnosisConrad Wittram
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Founders Building 202, 55 Fruit St, Boston, MA 02114, USA
Radiographics 24:1219-38. 2004..If the quality of the study is poor, the radiologist should identify which pulmonary arteries have been rendered indeterminate and whether additional imaging is necessary...
Trends in thoracic radiology over a decade at a large academic medical centerConrad Wittram
Department of Radiology, Massachusetts General Hospital and Harvard University, Boston, MA 02114, USA
J Thorac Imaging 19:164-70. 2004..To investigate thoracic radiology usage over and above the secular trends associated with hospital-wide changes in the number of patients over a decade...
CT-histologic correlation of the ATS/ERS 2002 classification of idiopathic interstitial pneumoniasConrad Wittram
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Founders Building 202, 55 Fruit St, Boston, MA 02114, USA
Radiographics 23:1057-71. 2003..Ideally, diagnosis of an idiopathic interstitial pneumonia should be rendered only after all clinico-radiologic-pathologic data have been reviewed...
Discordance between CT and angiography in the PIOPED II studyConrad Wittram
Division of Thoracic Radiology, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Founders Bldg 202, 55 Fruit St, Boston, MA 02114, USA
Radiology 244:883-9. 2007..To retrospectively evaluate the causes of discordant computed tomographic (CT)-angiographic readings from the Prospective Investigation of Pulmonary Embolism Diagnosis, or PIOPED, II study...
Application of rational practice and technical advances for optimizing radiation dose for chest CTMichael M Maher
Department of Radiology, Massachusetts General Hospital, and Harvard Medical School, Founders House, Massachusetts General Hospital, Boston 02114, USA
J Thorac Imaging 19:16-23. 2004..The present pictorial essay describes the fundamentals of CT radiation exposure and need for CT radiation dose reduction on the basis of documented scanning practices and technological advances...
Can noise reduction filters improve low-radiation-dose chest CT images? Pilot studyMannudeep K Kalra
Department of Radiology, Founders 202, Massachusetts General Hospital and Harvard Medical School, 32 Fruit St, Boston, MA 02114, USA
Radiology 228:257-64. 2003....
A comprehensive electrocardiogram-gated 64-slice multidetector computed tomography imaging protocol to visualize the coronary arteries, thoracic aorta, and pulmonary vasculature in a single breath holdMichael D Shapiro
Cardiac MR PET CT Program, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
J Comput Assist Tomogr 33:225-32. 2009....
Percutaneous lung biopsy in a patient with a cavitating lung mass: indications, technique, and complicationsMichael M Maher
Division of Thoracic Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 185:989-94. 2005
Diagnosis of pulmonary embolismJanet C Miller
Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA
J Am Coll Radiol 3:631-4. 2006
The indeterminate CT pulmonary angiogram: imaging characteristics and patient clinical outcomeStephen E Jones
Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 2698, USA
Radiology 237:329-37. 2005..To retrospectively review imaging characteristics of indeterminate computed tomographic (CT) pulmonary angiograms for pulmonary embolism (PE) and patient outcome...
The prevalence of symptomatic and coincidental pulmonary embolism on computed tomographyGladwin C Hui
Harvard School of Public Health, Massachusetts General Hospital, Boston, MA 02114 2696, USA
J Comput Assist Tomogr 32:783-7. 2008..To investigate the proportion of pulmonary embolism (PE) on computed tomographic pulmonary angiography (CTPA) and the proportion of coincidental PE on regular contrast-enhanced CT in oncological and nononcological patients...
FDG PET of Rosai-Dorfman disease of the thymusRuth Lim
Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 182:514. 2004
Thymic enlargement and FDG uptake in three patients: CT and FDG positron emission tomography correlated with pathologyConrad Wittram
Department of Radiology, Massachusetts General Hospital and Harvard University, 55 Fruit Street, Boston, MA 02114, USA
AJR Am J Roentgenol 180:519-22. 2003..Subsequent biopsy or resection showed normal thymic tissue. CONCLUSION: In three adults, we found a physiologic uptake of FDG by the thymus with standardized uptake values in the range of thymic neoplasia...
Case records of the Massachusetts General Hospital. Case 9-2005. A 67-year-old man with acute respiratory failureDavid M Systrom
Department of Pulmonary and Critical Care, Massachusetts General Hospital, USA
N Engl J Med 352:1238-46. 2005
Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 39-2004. A 52-year-old woman with recurrent episodes of atypical pneumoniaRichard L Kradin
Pulmonary and Critical Care Unit, Department of Medicine, Massachusetts General Hospital, USA
N Engl J Med 351:2741-9. 2004
Postpneumonectomy pulmonary artery stump thrombosis: CT features and imaging follow-upBoon Han Kwek
Department of Radiology, Division of Thoracic Radiology, FND 202, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
Radiology 237:338-41. 2005..No thrombi propagated outside of the stump. CONCLUSION: There is a relationship between stump length and the development of in situ thrombosis. The data suggest a rather benign natural history...
Mucinous cystadenoma of the lungAlexander R Guimaraes
Department of Radiology, Division of Thoracic Radiology, Massachusetts General Hospital and Harvard University, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 183:282. 2004
Radiologic-pathologic conference of the Massachusetts General Hospital. Pulmonary hyalinizing granulomaRivka R Colen
Department of Radiology, Massachusetts General Hospital, 55 Fruit St, FND Bdg 2, Boston, MA 02114, USA
AJR Am J Roentgenol 188:W15-6. 2007
Standard-dose and 50%-reduced-dose chest CT: comparing the effect on image qualitySrinivasa R Prasad
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Founders 216, 55 Fruit St, Boston, MA 02114, USA
AJR Am J Roentgenol 179:461-5. 2002..6-21.4 mSv and 7.8-10.7 mSv, respectively (from the manufacturer's data). CONCLUSION: Chest CT image quality appears to be acceptable for evaluating normal anatomic structures even with a 50% reduction in radiation dose...
Pulmonary arteriovenous malformations in hereditary hemorrhagic telangiectasia: an echocardiographic perspectiveDavinder S Jassal
Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
J Am Soc Echocardiogr 19:229.e5-229.e7. 2006
Pulmonary artery enhancement at CT pulmonary angiographyConrad Wittram
Radiology 229:932; author reply 932-3. 2003
