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Intraocular lacrimal gland tissue is an extremely rare choristoma. A newborn girl was seen with a fleshy, vascular tumor arising from the peripheral iris and the anterior chamber angle. The tumor was treated with topical steroids on suspicion of a juvenile xanthogranuloma; later, it grew slightly and a secondary glaucoma developed. Histopathological examination of the resected tumor showed lacrimal gland tissue in the iris. Twelve cases of intraocular lacrimal gland tissue have been reported in the literature.
Klüppel M, Müller W, Sundmacher R. Lacrimal Gland Choristoma of the Iris. Arch Ophthalmol. 1999;117(1):110–111. doi:https://doi.org/10.1001/archopht.117.1.110
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