A Case of Malignant Anorectal Melanoma with Laparoscopic Abdominoperineal Resection
Kuwahara, R.; Kagawa, Y.; Oneda, Y.; Ishida, T.; Morimoto, Y.; Sato, Y.; Naito, A.; Murakami, K.; Katsura, Y.; Ohmura, Y.; Takeno, A.; Takeda, Y.; Kato, T.; Tamura, S.
Gan to Kagaku Ryoho. Cancer and ChemoTherapy 43(12): 1727-1729
2016
ISSN/ISBN: 0385-0684 PMID: 28133112 Document Number: 687703
A 69-year-old man with anemia underwent colonoscopy. Colonoscopy showed a black tumor, 2 cm from the anal verge. The biopsy specimen revealed malignant melanoma, which was preoperatively diagnosed as T1(SM), N0, M0, Stage I . We performed laparoscopic abdominoperineal resection. The tissue type and diagnosis were malignant melanoma, pT1b(10 mm), pN0, pM0, ly0, v0, pDM0, pPM0, pRM0, pStage I b, according to the Colon Cancer Handling Terms, 8th edition). The patient did not receive adjuvant chemotherapy. However, he survived postoperatively for 9 months, with no sign of recurrence.