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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diseases of the colon & rectum 40 (1997), S. 661-668 
    ISSN: 1530-0358
    Keywords: Anorectal melanoma ; Melanoma ; Surgical treatment ; Abdominoperineal resection ; Wide local excision ; Recurrence ; Anus ; Rectum ; Treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: This study was designed to describe recurrence and survival rates after operative treatment for anorectal melanoma and to identify predictive factors for recurrence. METHODS: Records of 50 patients with anorectal melanoma from 1939 to 1993 were reviewed. RESULTS: Overall five-year survival and disease-free survival were 22 and 16 percent, respectively. At the time of diagnosis, 26 percent of patients had metastatic disease, and all died within 12 (mean, 6.3) months. Five-year survival and recurrence rates were identical after either abdominoperineal resection (APR) or wide local excision, both with curative intent. Gender, size of tumor, presence of melanin, positive perirectal lymph nodes, or treatment were not predictive of recurrence. Anorectal melanoma was found incidentally after hemorrhoidectomy or polypectomy in five patients. Three other patients underwent an excisional biopsy of a lesion measuring less than 2 cm. Of these eight patients, five underwent APR and three underwent wide local excision with no microscopic residual tumor at pathology. All developed regional or systemic recurrence at a mean of 21 (range, 4–88) months, and all died of their disease at a mean of 29 (range, 5–98) months. CONCLUSION: Prognosis for anorectal melanoma is poor, irrespective of surgical treatment performed. No predictive factors for recurrence were identified in this series. Wide local excision with a negative margin of a least 1 cm is suggested as the treatment of choice. APR should be reserved for tumor not amenable to local excision or for palliative treatment of large obstructive lesion until effective adjuvant therapies are available.
    Type of Medium: Electronic Resource
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