Primary peri‐anal adenocarcinoma of intestinal type – a new proposed entity

Abstract

The name 'primary peri-anal adenocarcinoma of intestinal type' is proposed for this previously unrecognised subtype of perineal neoplasia. Awareness of its distinct existence - by recognising its intestinal morphology and immunophenotype while excluding metastasis from the intestinal tract - should help to collate data to determine its specific prognosis and to formulate its best management.

Extramucosal anal canal adenocarcinoma, non‐anal gland type, and non‐fistula‐associated with mucinous appearance: A recently described diagnostic entity

“…The latter is related to the anal gland, anal fistula, or neither of both and maybe anal gland type, mucinous type, or intestinal type. 1 Extramucosal anal canal adenocarcinoma, nonanal gland type, and non-fistula-associated has been recently proposed as a new diagnostic entity of anal canal adenocarcinoma 2 with only two cases of intestinal type reported in the literature (summarized in Table S1). Thus, it is incorporated into the latest World Helath Organization (WHO) classification of tumors of the digestive system.…”