Malignant melanoma of the anorectal region

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Abstract
The charts of 15 patients with malignant melanoma of the anorectal region treated at Roswell Park Cancer Institute in the period 1975–1991 were reviewed. All the lesions except one developed at the pectinate line, in the area of transitional mucosa.Two of the patients at the time of initial presentation had distant metastases. Of the remaining 13, 8 were treated with abdominoperineal resection (APR) and 5 with local excision (LE). The incidence of local recurrence was 50% in the LE group and 22% in the APR group. Patients treated with APR had a 25%, 5‐year survival rate compared with 0% for those treated with LE, although one of the latter group died 55 months following LE due to unrelated causes without recurrence. The median survival of those with LE was 15.7 months and of those with APR 13.7 months.