18F-FDG PET/CT Imaging of Epididymal Smooth Muscle Mass Mimicking Recurrent Lymphoma

An 84-year-old man with a history of diffuse large B-cell lymphoma in remission who had completed chemotherapy 3 years previously was referred for imaging evaluation of disease recurrence. Abnormal accumulation in the left scrotum was demonstrated on F-FDG PET/CT. Subsequent ultrasonography showed a...

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Veröffentlicht in:	Clinical nuclear medicine 2017-04, Vol.42 (4), p.e224-e226
Hauptverfasser:	Takeuchi, Shogo, Inubushi, Masayuki, Nagai, Kiyohisa, Sone, Teruki
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged, 80 and over Diagnosis, Differential Epididymis - diagnostic imaging Epididymis - pathology Fluorodeoxyglucose F18 Hamartoma - diagnostic imaging Hamartoma - pathology Humans Lymphoma, Large B-Cell, Diffuse - diagnostic imaging Male Muscle, Smooth - diagnostic imaging Muscle, Smooth - pathology Positron Emission Tomography Computed Tomography Radiopharmaceuticals
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Zusammenfassung:	An 84-year-old man with a history of diffuse large B-cell lymphoma in remission who had completed chemotherapy 3 years previously was referred for imaging evaluation of disease recurrence. Abnormal accumulation in the left scrotum was demonstrated on F-FDG PET/CT. Subsequent ultrasonography showed a nodular mass lesion in the left epididymis. He then underwent left orchiectomy. Histopathological examination of the mass diagnosed smooth muscle hyperplasia/hamartoma of the left epididymis. Epididymal smooth muscle hyperplasia/hamartoma should be included as a differential diagnosis for malignant scrotal tumor.
ISSN:	0363-9762 1536-0229
DOI:	10.1097/RLU.0000000000001571