[Two cases of anorectal malignant melanoma].
Although on anorectal malignant melanoma is relatively rare, we report two cases, that of a 88-year-old woman, and a 78-year-old man. Both patients were admitted to the hospital due to rectal bleeding and were diagnosed as having rectal carcinoma. Following an abdominoperineal rectal amputation, a pathological examination of the resected specimens revealed a malignant melanoma. Thus, it is necessary to carry out a careful examination of patients with tumors of the anorectal region when there is the least suspicion of a malignancy.
1st Dept. of Pathology, Iwate Medical Univ.
S
S
Sakamoto
T
T
Shikanai
T
T
Itoh
H
H
Fukuta
N
N
Tomichi
K
K
Yagawa
Y
Y
Yasima
Y
Y
Kusaka
Y
Y
Ohnami
D000368:Aged; D000369:Aged, 80 and over; D001005:Anus Neoplasms / Q000032:analysis / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008543:Melanins / Q000032:analysis; D008545:Melanoma / Q000032:analysis / Q000473:pathology* / Q000601:surgery; D011379:Prognosis; D012004:Rectal Neoplasms / Q000032:analysis / Q000473:pathology* / Q000601:surgery
D008543:Melanins