Penile Metastasis From Rectal Cancer by PET/CT

ABSTRACTIt is extremely rare for rectal tumors to metastasize to the penis, and when it occurs, it is associated with poor prognosis. The appearance of penile metastasis from rectal primary tumor on PET imaging has not been widely reported. We report a case of a 70-year-old man with previous history...

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Bibliographic Details
Published in:Clinical nuclear medicine 2015-04, Vol.40 (4), p.e245-e250
Main Authors: Alzayed, Mohammed Fahad, Artho, Giovanni, Nahal, Ayoub, Hickeson, Marc
Format: Article
Language:English
Subjects:
Adenocarcinoma - diagnostic imaging
Adenocarcinoma - pathology
Aged
Fluorodeoxyglucose F18
Humans
Male
Multimodal Imaging
Penile Neoplasms - diagnostic imaging
Penile Neoplasms - secondary
Positron-Emission Tomography
Radiopharmaceuticals
Rectal Neoplasms - diagnostic imaging
Rectal Neoplasms - pathology
Tomography, X-Ray Computed
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Summary:ABSTRACTIt is extremely rare for rectal tumors to metastasize to the penis, and when it occurs, it is associated with poor prognosis. The appearance of penile metastasis from rectal primary tumor on PET imaging has not been widely reported. We report a case of a 70-year-old man with previous history of treated stage III adenocarcinoma of the rectum 26 months ago. The restaging F-FDG PET/CT scan demonstrated a hypermetabolic mass at the base of his penile shaft. This lesion was confirmed on core biopsy to be a metastatic adenocarcinoma of colorectal origin consistent with the known primary rectal tumor.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0000000000000635