Primary acquired melanosis (PAM) is an acquired pigmentation of the conjunctival epithelium. It is analagous to lentigo maligna of the skin and carries a risk of malignant transformation. PAM appears as unilateral, patchy areas of flat, brown pigmentation within the superficial conjunctiva. The areas may wax and wane over time.
Ophthalmic Atlas Images by EyeRounds.org, The University of Iowa are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
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