Synchronous Primary Anorectal Melanoma and Sigmoid Adenocarcinoma
Annals of Coloproctology
; : 190-194, 2016.
Article
en En
| WPRIM
| ID: wpr-177919
Biblioteca responsable:
WPRO
ABSTRACT
A primary anorectal malignant melanoma is a rare tumor. Moreover, cases involving a synchronous anorectal melanoma and colon adenocarcinoma are extremely rare. The authors report a case of a synchronous anorectal melanoma and sigmoid adenocarcinoma in an 84-year-old man. The regions of the anorectal melanoma showed melanocytic nevi in the adjacent mucosa of the anal canal and rectum. A dysplastic nevus was also identified in the anal mucosa. This case demonstrates that an anorectal melanoma can arise from pre-existing anorectal melanocytic lesions.
Palabras clave
Texto completo:
1
Índice:
WPRIM
Asunto principal:
Canal Anal
/
Recto
/
Colon Sigmoide
/
Síndrome del Nevo Displásico
/
Adenocarcinoma
/
Colon
/
Melanoma
/
Membrana Mucosa
/
Nevo Pigmentado
Límite:
Aged
/
Aged80
/
Humans
Idioma:
En
Revista:
Annals of Coloproctology
Año:
2016
Tipo del documento:
Article