Korean J Parasitol.  2014 Dec;52(6):685-690. 10.3347/kjp.2014.52.6.685.

Perianal Tick-Bite Lesion Caused by a Fully Engorged Female Amblyomma testudinarium

Affiliations
  • 1Department of Parasitology, College of Medicine, Seonam University, Namwon 590-711, Korea. jinkim16@hanmail.net
  • 2Department of Colorectal Surgery, Kangmoon Surgical Clinic, Gwangju 502-835, Korea.
  • 3Department of Pathology, Chonnam National University Medical School, Gwangju 501-746, Korea.
  • 4Department of Pharmacology, College of medicine, Seonam University, Namwon 590-711, Korea.

Abstract

A perianal tick and the surrounding skin were surgically excised from a 73-year-old man residing in a southwestern costal area of the Korean Peninsula. Microscopically a deep penetrating lesion was formed beneath the attachment site. Dense and mixed inflammatory cell infiltrations occurred in the dermis and subcutaneous tissues around the feeding lesion. Amorphous eosinophilic cement was abundant in the center of the lesion. The tick had Y-shaped anal groove, long mouthparts, ornate scutum, comma-shaped spiracular plate, distinct eyes, and fastoons. It was morphologically identified as a fully engorged female Amblyomma testudinarium. This is the third human case of Amblyomma tick infection in Korea.

Keyword

Amblyomma testudinarium; tick; human; histopathology

MeSH Terms

Aged
Anal Canal/*injuries/parasitology/*pathology/surgery
Animals
Female
Histocytochemistry
Humans
Ixodidae/anatomy & histology/*growth & development
Korea
Male
Microscopy
Skin/parasitology/pathology
Tick Bites/*diagnosis/*pathology/surgery
Tick Infestations/*diagnosis/*pathology/surgery
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