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Clinical evaluation of primary peripheral cysts of the iris.

BACKGROUND
Peripheral primary cyst of the iris is an uncommon benign condition that may masquerade as a tumor of the ciliary body. Careful examination utilizing the slit lamp and gonioscopy is necessary to successfully differentiate the two.


CONCLUSIONS
Given their uncommon occurrence and the importance of ruling out melanoma or other malignancies, this review is a guide in the evaluation and diagnosis of patients with this condition.