In this communication we will present briefly two unusual cases, one a man and one a woman, then proceed with theoretical considerations in regard to possible mechanisms of spread of malignant cells in the areas involved, and, finally, consider practical aspects of diagnosis and management.
Metastatic carcinoma of the penis from all sites is very rare. In 1944, Wattenberg1 reviewed the literature and collected only 20 cases which originated in the prostate, kidney, testis, liver, rectum, or bladder. In 1954, Poutasse2 found 32 cases of metastasis to the penis in the literature. Of these the original source was as follows: prostate, 11; urinary bladder, 6; rectum, 6; testis, kidneys, lungs, liver, and ilium, 9. Poutasse added two more cases of carcinoma of the bladder and two cases of carcinoma of the rectum with penile metastasis. This brought the number of cases of carcinoma of the rectum with this
WHITELAW GP, LEARD SE, PARSONS L, SHERWIN RP. Carcinoma of the Large Bowel with Metastasis to the Genitalia: Report of Two Cases. AMA Arch Surg. 1956;73(1):171–178. doi:10.1001/archsurg.1956.01280010173023
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