首页|Metachronous penile metastasis from rectal cancer after total pelvic exenteration
Metachronous penile metastasis from rectal cancer after total pelvic exenteration
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Despite its abundant vascularization and extensive circulatory communication with neighboring organs,metastases to the penis are a rare event.A 57-yearold male,who had undergone total pelvic exenteration for rectal cancer sixteen months earlier,demonstrated an abnormal uptake within his penis by positron emission tomography/computed tomography.A single elastic nodule of the middle penis shaft was noted deep within Bucks fascia.No other obvious recurrent site was noted except the penile lesion.Total penectomy was performed as a curative resection based on a diagnosis of isolated penile metastasis from rectal cancer.A histopathological examination revealed an increase of well differentiated adenocarcinoma in the corpus spongiosum consistent with his primary rectal tumor.The immunohistochemistry of the tumor cells demonstrated positive staining for cytokeratin 20 and negative staining for cytokeratin 7,which strongly supported a diagnosis of penile metastasis from the rectum.The patient is alive more than two years without any recurrence.
Penile metastasisRectal cancerCorpus spongiosum
Yuta Kimura、Dai Shida、Keiichi Nasu、Hiroki Matsunaga、Masahiro Warabi、Satoru Inoue
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Department of Surgery, Tokyo Metropolitan Bokutoh Hospital, 4-23-15 Koto-bashi, Sumida-ku, Tokyo 1308575,Japan
Department of Pathology, Tokyo Metropolitan Bokutoh Hospital, 4-23-15 Koto-bashi, Sumida-ku, Tokyo 1308575, Japan
NETL
NSTL
万方数据
维普
