An unpleasant souvenir: Endoscopic finding of Trichuris trichiura (Nematoda: Trichuridae)

Parasitol Int. 2021 Feb:80:102220. doi: 10.1016/j.parint.2020.102220. Epub 2020 Oct 31.

Abstract

Whipworms are responsible for up to 500 million cases of trichuriasis worldwide, with higher endemicity in tropical and sub-tropical countries. In non-endemic countries, trichuriasis can be accidentally diagnosed upon colonoscopy, often in the presence of negative microscopy. Here, we describe an incidental diagnosis of trichuriasis in an HIV patient residing in a non-endemic area (i.e., Turin, Italy), six months after his return from Antigua. The species-level diagnosis was made thanks to PCR-based molecular identification of Trichuris sp. following optical microscopy detection. Overall, this case highlights the importance of improving parasitic diseases diagnosis through cutting-edge clinical and laboratory diagnostic tools alongside advanced training of specialists in the area of parasitology.

Keywords: Endoscopy; Food and waterborne parasites; HIV; Neglected tropical diseases; Trichuris.

Publication types

  • Case Reports

MeSH terms

  • Animals
  • Antigua and Barbuda
  • Base Sequence
  • Cytochromes b / analysis
  • Endoscopy
  • HIV Infections
  • Helminth Proteins / analysis
  • Humans
  • Italy
  • Male
  • Middle Aged
  • Polymerase Chain Reaction
  • Sequence Alignment
  • Tourism
  • Trichuriasis / diagnosis*
  • Trichuriasis / parasitology
  • Trichuris / genetics
  • Trichuris / isolation & purification*

Substances

  • Helminth Proteins
  • Cytochromes b