2010, Number 5
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Rev Mex Urol 2010; 70 (5)
Adenocarcinoma of the rectum with metastasis to the penis
Madrigal-Medina RE, Navarrete-García E, Adán-Zenil M, Colorado-García A, Torres-Medina E, Vilchis-Cárdenas MA, Ignacio-Morales CI, Peña-Ruelas C
Language: Spanish
References: 14
Page: 312-314
PDF size: 871.07 Kb.
ABSTRACT
Tumors metastasizing to the penis are rare but predisposing factors are its abundant vascularity and its proximity to pelvic organs. The first case of cancer of the rectum with metastasis to the penis was reported in 1870. Up to the present date about 50 cases of sigmoid rectum cancer with metastasis to the penis have been reported and 300 cases worldwide of patients with metastasizing cancers arising at different sites. The most frequent primary tumors are bladder tumor (30%), prostate tumor (30%), and kidney tumor (10.5%). Urethral and testicular tumors are less frequent. The gastrointestinal tract accounts for 22% of cases, particularly the colon and rectum representing 16%. The remaining metastases arise from the lung, bone, nasopharynx, melanomas, and hematopoietic and supraglottic tumors.
The present case is a 45-year-old man with diabetes mellitus and adenocarcinoma of the rectum with hepatic metastases after abdominoperineal resection. A few months later he presented with a 6 cm ulcer on the glans penis and inguinal adenomegaly. Biopsy report stated stroma with moderately differentiated adenocarcinoma glands and no squamous epithelium.
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