Increased Tc-99m Tetrofosmin Uptake in a Mediastinal Tumor During Myocardial Perfusion Imaging

A 72-year-old man with a history of hypertension, diabetes mellitus, chronic renal insufficiency with bilateral nephrostomy tubes, and prostate cancer underwent an adenosine Tc-99m tetrofosmin myocardial perfusion study as a preoperative evaluation. Perfusion imaging did not show myocardial ischemia...

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Bibliographic Details
Published in:Clinical nuclear medicine 2004-06, Vol.29 (6), p.390-391
Main Authors: Vijayakumar, Vani, Soloff, Erik, Rahman, Atiar M
Format: Article
Language:English
Subjects:
Aged
Carcinoid Tumor - diagnosis
Carcinoid Tumor - diagnostic imaging
Carcinoid Tumor - metabolism
Cardiomyopathies - diagnosis
Cardiomyopathies - diagnostic imaging
Cardiomyopathies - metabolism
Diagnosis, Differential
Heart - diagnostic imaging
Humans
Male
Mediastinal Neoplasms - diagnosis
Mediastinal Neoplasms - diagnostic imaging
Mediastinal Neoplasms - metabolism
Organophosphorus Compounds - metabolism
Organotechnetium Compounds - metabolism
Radionuclide Imaging
Radiopharmaceuticals - pharmacokinetics
Thymoma - diagnosis
Thymoma - diagnostic imaging
Thymoma - metabolism
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Summary:A 72-year-old man with a history of hypertension, diabetes mellitus, chronic renal insufficiency with bilateral nephrostomy tubes, and prostate cancer underwent an adenosine Tc-99m tetrofosmin myocardial perfusion study as a preoperative evaluation. Perfusion imaging did not show myocardial ischemia. However, a planar projection image of the chest demonstrated a focal area of increased uptake in the anterior mediastinum. Computed tomography (CT) of the chest demonstrated a 4-cm anterior mediastinal mass. CT guided biopsy of the mass confirmed an epithelial tumor, the differential diagnosis of which included thymoma or carcinoid.
ISSN:0363-9762
1536-0229
DOI:10.1097/01.rlu.0000127100.48125.aa