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
2.Intestinal Helminthic Infections Diagnosed by Colonoscopy in a Regional Hospital during 2001-2008.
Kyong Rock DO ; Young Seok CHO ; Hyung Keun KIM ; Byung Hee HWANG ; Eun Jung SHIN ; Hae Bin JEONG ; Sung Soo KIM ; Hiun Suk CHAE ; Myung Gyu CHOI
The Korean Journal of Parasitology 2010;48(1):75-78
The present study investigated characteristics of 24 parasite infection cases detected during colonoscopy in a regional hospital from January 2001 to December 2008. Sixteen patients were confirmed with Trichuris trichiura infection, 6 patients were with Ascaris lumbricoides infection, 1 patient with Enterobius vermicularis infection, and 1 patient with Anisakis infection. Among them, 7 patients (43.8%) were asymptomatic. Colonoscopy findings were normal in 18 patients (75.0%). Among the patients with T. trichiura infection, colonoscopy showed several erosions in 2 patients (8.3%) and non-specific inflammation of the affected segment of the colon in 3 patients (12.5%). In 1 patient with anisakiasis, colonoscopy revealed a markedly swollen colonic wall. Stool examinations were performed before treatment in 7 patients (29.2%) and were all negative for parasite eggs or worms. These results suggest that colonoscopy is a useful diagnostic approach for parasitic infections even for asymptomatic patients and for patients with negative stool examinations.
Adult
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Aged, 80 and over
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Animals
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Anisakis/isolation & purification
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Ascaris lumbricoides/isolation & purification
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*Colonoscopy
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Enterobius/isolation & purification
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Feces/parasitology
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Female
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Helminthiasis/*diagnosis/*epidemiology/pathology
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Hospitals
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Humans
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Intestinal Diseases, Parasitic/*diagnosis/*epidemiology/pathology
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Male
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Middle Aged
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Republic of Korea
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Trichuris/isolation & purification
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Young Adult