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Anterior chamber keratinous horn

Poster Details

First Author: M.Abrishami IRAN

Co Author(s):    F. Ghassemi   Z. Vahedian               0   0 0   0 0   0 0   0 0

Abstract Details


To report a case of a white fluffy mass and two keratinized white stick like lesions originating from the peripheral iris and the angle in a young patient.


Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran


A fourteen-year-old boy was referred to the oncology clinic. He had the history of small white masses growing in his right eye since six months before. He had no history of trauma or any other ocular problems. Visual acuity was 20/20 in both of his eyes. A free white fluffy lesion was seen in the anterior chamber with two vegetative horn-like white sticks like lesions, originating from the peripheral iris and the angle.


In ultra high biomicroscopy (UBM), a mass with normal echogenicity was detected at the inferior anterior stromal iris and angle with no involvement of the posterior chamber and cilliary body. In an excisional biopsy, all materials were excised. In a pathologic examination, a keratin material was found with non-viable cells. During the 6 months’ follow up, the keratin horn did not reoccur.


We believe that a keratin horn can be found in the anterior chamber. Dermoid cysts, traumatic inclusion cyst, primary keratinizing metaplastia, and – as in our case – idiopathic origin could be the inciting etiology.

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