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Massive zosteriform cutaneous metastasis from rectal carcinoma
D C Damin1, A R Lazzaron, C Tarta
1Department of Coloproctologic Surgery, Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil. damin@terra.com.br
Techniques in Coloproctology
|November 8, 2003
Summary
Metastatic skin adenocarcinoma, a rare complication of rectal cancer, can present as large, fast-growing lesions. Early biopsy of suspicious skin findings in colorectal cancer survivors is crucial for timely diagnosis.
Area of Science:
- Oncology
- Dermatology
- Surgical Pathology
Background:
- Rectal cancer resection is a standard treatment for rectal carcinoma.
- Cutaneous metastases from colorectal cancer are infrequently encountered in clinical practice.
Observation:
- A 44-year-old male patient, post-rectal cancer resection, developed a large, rapidly growing skin lesion.
- The lesion measured 40 cm, spanning the suprapubic region to the left groin with a zosteriform pattern.
Findings:
- Biopsy confirmed the skin lesion as metastatic adenocarcinoma.
- This presentation is atypical, as cutaneous metastases typically appear as small, painless nodules or papules.
Implications:
- The case highlights the uncommon but significant possibility of extensive cutaneous metastasis from rectal cancer.
- Emphasizes the need for prompt biopsy of suspicious skin lesions in patients with a history of colorectal cancer to ensure early detection and management.