Korean J Gastroenterol.  2015 Apr;65(4):236-240. 10.4166/kjg.2015.65.4.236.

A Case of Abdominal Wall Actinomycosis

  • 1Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 2Department of General Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea. cmcgslee@catholic.ac.kr


Actinomycosis is a chronic suppurative granulomatous infectious disease caused by actinomyces species that is characterized by formation of characteristic clumps called as sulfur granules. Abdominal actinomycosis is a rare disease and is often difficult to diagnose before operation. Abdominal actinomycosis infiltrating into the abdominal wall and adhering to the colon is even rarer. Most abdominal actinomycosis develops after operation, trauma or inflammatory bowel disease, and is also considered as an opportunistic infection in immunocompromised patient with underlying malignancy, diabetes mellitus, human immunodefidiency virus infection, etc. Actinomycosis is diagnosed based on histologic demonstration of sulfur granules in surgically resected specimen or pus, and treatment consists of long-term penicillin based antibiotics therapy with or without surgical resection. Herein, we report an unusual case of abdominal wall actinomycosis which developed in a patient after acupuncture and presented as abdominal wall mass that was first mistaken for abdominal wall invasion of diverticulum perforation.


Actinomycosis; Abdominal wall
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