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Urethral metastasis from a rectal carcinoma
H W Kupfer1, P Theunissen, K P Delaere
1Department of Urology and Pathology, De Wever Hospital, Heerlen, The Netherlands.
Acta Urologica Belgica
|December 1, 1995
Summary
A rare case of rectal cancer metastasizing to the penis was identified in a 67-year-old man. This unusual urethral metastasis highlights the importance of considering distant spread in advanced rectal adenocarcinoma.
Area of Science:
- Urology
- Gastroenterology
- Oncology
Background:
- Rectal carcinoma is a common malignancy.
- Metastasis typically occurs to the liver, lungs, and peritoneum.
- Penile metastasis from rectal cancer is exceptionally rare.
Observation:
- A 67-year-old male patient presented with a penile tumor.
- Endoscopic examination revealed a bleeding lesion.
- Histopathological analysis confirmed adenocarcinoma, identified as urethral metastasis from rectal carcinoma.
Findings:
- This case represents one of only seven documented instances of penile metastasis from rectal adenocarcinoma.
- The primary tumor was rectal carcinoma, with secondary involvement of the urethral and penile tissue.
- The patient's presentation underscores the potential for unusual metastatic patterns in advanced colorectal cancer.
Implications:
- This case expands the known spectrum of metastatic sites for rectal adenocarcinoma.
- It emphasizes the need for thorough diagnostic evaluation in patients with penile lesions, especially those with a history of malignancy.
- Further research into the mechanisms and clinical significance of rare metastatic patterns is warranted.