Serrated adenocarcinoma of sigmoid colon with mismatch repair protein‐proficient phenotype: Histopathological recognition of a new subtype of colorectal adenocarcinoma

Abstract

Key Clinical Message Serrated adenocarcinoma is a distinct subtype of colorectal carcinoma characterized by unique histological and molecular features. Here we present a case study of a 58‐year‐old female patient who presented with generalized weakness, abdominal discomfort, and per‐rectal bleeding. This case report highlights the importance of understanding the histopathological features of serrated adenocarcinoma for accurate diagnosis which has impact on further management.

Keywords

• adenocarcinoma
• colonoscopy
• colorectal carcinoma
• histopathology
• sigmoid colon