1.A case of colonic lymphoid tissue invasion by Gymnophalloides seoi in a Korean man.
Min SEO ; Hokyung CHUN ; Geunghwan AHN ; Kee Taek JANG ; Sang Mee GUK ; Jong Yil CHAI
The Korean Journal of Parasitology 2006;44(1):87-89
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.
Trematode Infections/diagnosis/parasitology/*pathology
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Trematoda/*isolation & purification/ultrastructure
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Male
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Lymphoid Tissue/*parasitology
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Korea
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Intestinal Diseases, Parasitic/diagnosis/*parasitology/pathology
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Humans
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Colonic Diseases/*parasitology
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Colon/*parasitology/pathology/surgery
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Animals
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Aged