Korean J Parasitol.  2006 Mar;44(1):87-89. 10.3347/kjp.2006.44.1.87.

A case of colonic lymphoid tissue invasion by Gymnophalloides seoi in a Korean man

Affiliations
  • 1Department of Parasitology, College of Medicine, Dankook University, Chonan 330-714, Korea.
  • 2Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea.
  • 3Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea.
  • 4Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Korea. cjy@snu.ac.kr

Abstract

A 65-year old Korean man, living in Mokpo-city, Jeollanam-do, Republic of Korea, visited a local clinic complaining of right upper quadrant pain and indigestion. At colonoscopy, he was diagnosed as having a carcinoma of the ascending colon, and thus, a palliative right hemicolectomy was performed. Subsequently, an adult fluke of Gymnophalloides seoi was incidentally found in a surgical pathology specimen of the lymph node around the colon. The worm was found to have invaded gut lymphoid tissue, with characteristic morphologies of a large oral sucker, a small ventral sucker, and a ventral pit surrounded by strong muscle fibers. This is the first reported case of mucosal tissue invasion by G. seoi in the human intestinal tract.

Keyword

Gymnophalloides seoi; tissue parasitism; colon; gut lymphoid tissue; case report; man

MeSH Terms

Trematode Infections/diagnosis/parasitology/*pathology
Trematoda/*isolation & purification/ultrastructure
Male
Lymphoid Tissue/*parasitology
Korea
Intestinal Diseases, Parasitic/diagnosis/*parasitology/pathology
Humans
Colonic Diseases/*parasitology
Colon/*parasitology/pathology/surgery
Animals
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