A case of vocal cord gnathostomiasis diagnosed with sectional morphologies in a histopathological specimen from a Chinese woman living in Korea

Doo Sik Park; Eun Hyun Cho; Kyung Hoon Park; Soo Min Jo; Bumjung Park; Sun Huh

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자료유형: 학술저널

저자정보: Doo Sik Park (Hallym University Sacred Heart Hospital) Eun Hyun Cho (Hallym University Sacred Heart Hospital) Kyung Hoon Park (Hallym University Sacred Heart Hospital) Soo Min Jo (Hallym University Sacred Heart Hospital) Bumjung Park (Hallym University Sacred Heart Hospital) Sun Huh (Hallym University)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases Parasites, Hosts and Diseases Vol.61 No.3

발행연도: 2023.8

수록면: 298 - 303 (6page)

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This study aimed to describe a rare case of gnathostomiasis in the vocal cord. A 54-year-old Chinese woman living in Korea visited with a chief complaint of voice change at the outpatient department of otorhinolaryngology in Hallym Sacred Heart Hospital, Hallym University on August 2, 2021. She had eaten raw conger a few weeks before the voice change developed, but her medical history and physical examinations demonstrated neither gastrointestinal symptoms nor other health problems. A round and red cystic lesion, recognized in the anterior part of the right vocal cord, was removed using forceps and scissors through laryngeal microsurgery. The histopathological specimen of the cyst revealed 3 cross-sections of a nematode larva in the lumen of the cyst wall composed of inflammatory cells and fibrotic tissues. They differ in diameter, from 190 μm to 235 μm. They showed characteristic cuticular layers with tegumental spines, somatic muscle layers, and gastrointestinal tracts such as the esophagus and intestine. Notably, intestinal sections consisted of 27-28 lining cells containing 0-4 nuclei per cell. We tentatively identified the nematode larva recovered from the vocal cord cystic lesion as the third-stage larva of Gnathostoma, probably G. nipponicum or G. hispidum, based on the sectional morphologies.

#Vocal cord gnathostomiasis #sectional morphology #histopathological speci-men #Chinese woman

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