Korean J Parasitol.  2017 Feb;55(1):77-79. 10.3347/kjp.2017.55.1.77.

Infection of Oligochaetes, Limnodrilus hoffmeisteri (Annelida: Oligochaeta), in the Nasal Cavity of a Chinese Man

Affiliations
  • 1Department of Pharmacology, Hebei North University, Zhangjiakou, Hebei 075000, China.
  • 2The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei 075000, China.
  • 3College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
  • 4College of Animal Science & Technology, Hebei North University, Zhangjiakou, Hebei 075000, China.
  • 5College of Laboratory Medicine, Hebei North University, Zhangjiakou, Hebei 075000, China. huanggp2@163.com

Abstract

The infection by Limnodrilus hoffmeisteri Claparède, 1862 (Oligochaeta: Tubificinae) in humans is relatively uncommon. The present report is to describe an incidental human infection with oligochaetes in the nasal cavity of a Chinese man, a 25-year-old man residing in Zhangjiakou city, Hebei province, China presenting with nose bleed, severe itching, continuous sneezing, and rhinorrhea. A lot of oligochaete worms were found in the nasal discharge of the patient. The detected worms were identified as Limnodrilus hoffmeisteri (Annelida: Oligochaeta) based on morphological and molecular characteristics. This incidental L. hoffmeisteri nasal infection is the first case in China and indicates that oligochaete worms can be encountered in humans.

Keyword

Limnodrilus hoffmeisteri; oligochaete; nasal infection; case report; China

MeSH Terms

Adult
Asian Continental Ancestry Group*
China
Epistaxis
Humans
Nasal Cavity*
Pruritus
Sneezing
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