A case of zoonotic Ancylostoma ceylanicum infection in a suburban area of Selangor, Malaysia

Heo, Chong Chin and Rafiz, Abdul Rani and Ngui, Romano (2022) A case of zoonotic Ancylostoma ceylanicum infection in a suburban area of Selangor, Malaysia. Acta Parasitologica, 67 (1). pp. 564-568. ISSN 1230-2821, DOI https://doi.org/10.1007/s11686-021-00478-1.

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Abstract

Introduction The animal hookworm, Ancylostoma ceylanicum, is a dominant hookworm species of dogs and cats. However, it has increasingly been found infecting humans in Southeast Asia. Purpose We report an autochthonous case of A. ceylanicum in a suburban area of Selangor, Malaysia. A 66-year-old Indian lady who is an avid gardener presented with chronic diarrhea of 4 months' duration. Methods The patient was examined clinically and colonoscopy was performed. Adult parasites obtained via colonoscopy were subjected to microscopy and molecular investigations. Results Clinical examinations were unremarkable, and blood investigation revealed normochromic normocytic anemia. Stool occult blood was positive but negative for ova, cyst and adult parasites. Colonoscopy performed showed multiple diverticulae and worm infestation from the terminal ileum to sigmoid colon. Morphological examination on the adult worms showed the specific characteristics of Ancylostoma species. Molecular investigations further confirmed the nematode as Ancylostoma ceylanicum. She was treated with albendazole 400 mg daily for 3 days with symptomatic improvements sustained 3 months later. It is suspected that the patient had ingested or contacted soil contaminated with filariform larvae while gardening. Conclusion Information on the A. ceylanicum infection in humans, especially in urban and suburban areas, is limited, necessitating further epidemiological and clinical studies.

Item Type: Article
Funders: None
Uncontrolled Keywords: Zoonotic hookworm; Ancyclostoma; Ceylanicum; Colonoscopy; Ancylostomiasis; Malaysia
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medicine > Parasitology Deparment
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 09 Oct 2023 06:40
Last Modified: 09 Oct 2023 06:40
URI: http://eprints.um.edu.my/id/eprint/42427

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