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The Korean Journal of Pathology 1993;27(4): 427-429.
Iris Cyst: A case report.
Sang Yong Song, Je G Chi, Jin Hak Lee
1Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
2Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea.
Cysts of the iris may be primary lesions of either epithelial or stromal in origin, or secondary lesions after trauma or surgery. The stromal cyst is usually of primary lesion, although it could be secondary as shown in our case. We report a case of recurrent iris cyst after trauma. The patient was an 8-year-old girl. She had a penetrating injury of the involved eye three years ago. She had a similar iris cyst removed two years before this surgery. Histologically, the cyst was lined by non-keratinizing stratified squamous epithelia and subjacent fibrovascular tissue. Islands of melanin-containing epithelial cells and acellular basophilic degenerating materials were also seen in the lesion. This case represents a stromal epithelial cyst that by history appears to be of post-traumatic etiology.
Key Words: Iris cyst; Epithelial cyst; Stromal cyst; Post-traumatic cyst
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