Rare Choristoma of the Tarsal Conjunctiva: Critical Inspection Prevents Unnecessary Mutilation

We report a case of a 26-year-old male patient with an incidental finding of a flesh-colored tumor with few vellus hairs on its surface, located on the fornix and the tarsal conjunctiva of the left lower eyelid. Histology of the biopsy showed a choristoma consisting of abundant vellus hairs, sebaceo...

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Published inCase reports in ophthalmology Vol. 13; no. 2; pp. 599 - 603
Main Authors Vetter, Viola Katharina, Correa-Perez, Maria E., Chaloupka, Karla, Mihic-Probst, Daniela
Format Journal Article
LanguageEnglish
Published Basel, Switzerland S. Karger AG 15.08.2022
Karger Publishers
Subjects
Biopsy
Case Report
Case reports
choristoma
Exocrine glands
Hair
hamartoma
Histology
Smooth muscle
tarsal choristoma
Tumors
vellus hair
Vellus hair
Case report
Tarsal choristoma
Choristoma
Hamartoma
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Summary:We report a case of a 26-year-old male patient with an incidental finding of a flesh-colored tumor with few vellus hairs on its surface, located on the fornix and the tarsal conjunctiva of the left lower eyelid. Histology of the biopsy showed a choristoma consisting of abundant vellus hairs, sebaceous glands, and sparse lacrimal gland tissue. Recognition of conjunctival vellus hairs is significant and raises the suspected diagnosis of choristoma, which can be confirmed by a small sample biopsy. A complete excision is unnecessary and possible surgical complications can be prevented. Choristomas of the tarsal conjunctiva are very rare and, to our knowledge, this is the first histological documentation of a choristoma containing vellus hair located on the tarsal conjunctiva. In addition, we review the histopathological findings of choristomas and their differential diagnoses.
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ISSN:1663-2699
1663-2699
DOI:10.1159/000525796