A Case of Thelazia Callipaeda Recurred At a One-month Interval

Sung Min Lee; Kyu Min Shin; Dong Hee Kim; Byung Nam Kang

doi:10.3341/jkos.2010.51.6.895

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Lee, Shin, Kim, and Kang: A Case of Thelazia Callipaeda Recurred At a One-month Interval

Original Article

J Korean Ophthalmol Soc 2010;51(6):895-898.

Published online: 3 June 2010

DOI: https://doi.org/10.3341/jkos.2010.51.6.895

A Case of Thelazia Callipaeda Recurred At a One-month Interval

Sung Min Lee, MD¹, Kyu Min Shin, MD¹, Dong Hee Kim, MD², Byung Nam Kang, MD²

¹Department of Ophthalmology, Myongji Hospital, Kwandong University College of Medicine, Seoul, Korea

²Department of Ophthalmology, Konkuk University Chungju Hospital, Chungju, Korea

Address reprint requests to Byung Nam Kang, MD Department of Ophthalmology, Konkuk University Chungju Hospital #620-5 Gyohyen-dong, Chungju 380-704, Korea Tel: 82-43-840-8200, Fax: 82-43-841-8201, E-mail: Bnkang@kd.ac.krb

Received 21 December 2009 Accepted 4 May 2010

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

To report a relapsed case of an intra-conjunctival Thelazia callipaeda infestation within one month.

Case summary

A 59-year-old female patient presented with symptoms of itching and a sense of foreign substance in her left eye, which she had been experiencing for several days. Conjunctival hyperemia and follicle multiplication along with ten actively moving worms were identified and were extracted with forceps. The symptoms disappeared until 25 days later, when they recurred and five additional worms were extracted. All of the extracted worms were confirmed to be Thelazia callipaeda and the patient’s symptoms disappeared after the final extraction.

Conclusions

More than one month of follow-up observation is required for human infection by Thelazia callipaeda due to the post- extraction growth of the larva.

Keywords: Conjunctival sac, Thelazia Callipaeda, Worm

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Fig. 1.

Photographs of the collected Thelazia callipaeda from patient’s eye (gross appearance).

Fig. 2.

Photographs of the collected Thelazia callipaeda from patient’s eye. (microscopic apperance) Note the trans-verse cuticular striation (arrow in A, ×100). Also, numerous ovum (asterisk in C, x100) in lower part of the worm and embryonated larvae in the uterus (asterisk in B, ×100; D, ×200) were observed.

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