Synchronous Primary Anorectal Melanoma and Sigmoid Adenocarcinoma
Annals of Coloproctology
;
: 190-194, 2016.
Artigo
em Inglês
| WPRIM
| ID: wpr-177919
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.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Canal Anal
/
Reto
/
Colo Sigmoide
/
Síndrome do Nevo Displásico
/
Adenocarcinoma
/
Colo
/
Melanoma
/
Mucosa
/
Nevo Pigmentado
Limite:
Idoso
/
Aged80
/
Humanos
Idioma:
Inglês
Revista:
Annals of Coloproctology
Ano de publicação:
2016
Tipo de documento:
Artigo
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