Extra-gastrointestinal anisakidosis caused by Pseudoterranova azarasi manifesting as strangulated inguinal hernia

Parasitol Int. 2017 Dec;66(6):810-812. doi: 10.1016/j.parint.2017.09.008. Epub 2017 Sep 18.

Abstract

The incidence of anisakidosis continues to increase worldwide due to increased consumption of undercooked fish. Although anisakidosis can be categorized into four clinical phenotypes (gastric, intestinal, ectopic, and allergic), ectopic forms of the condition are much less common than gastric or intestinal forms when caused by Pseudoterranova spp. We report the case of a 5-year-old patient who presented with a rapidly growing left inguinal mass and was subsequently diagnosed with extra-gastrointestinal anisakidosis caused by Pseudoterranova azarasi.

Keywords: Anisakidosis; Anisakis; Pseudoterranova; Zoonosis.

Publication types

  • Case Reports

MeSH terms

  • Animals
  • Ascaridida Infections / diagnosis*
  • Ascaridida Infections / parasitology
  • Ascaridoidea / genetics
  • Ascaridoidea / isolation & purification*
  • Child, Preschool
  • Diagnosis, Differential
  • Electron Transport Complex IV / genetics
  • Female
  • Helminth Proteins / genetics
  • Hernia, Inguinal / diagnosis*
  • Hernia, Inguinal / parasitology
  • Humans
  • Japan
  • Phylogeny
  • RNA, Helminth / genetics
  • RNA, Ribosomal / genetics

Substances

  • Helminth Proteins
  • RNA, Helminth
  • RNA, Ribosomal
  • RNA, ribosomal, 12S
  • Electron Transport Complex IV