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Pediatric conjunctival melanoma arising from a compound nevus.

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Pediatric conjunctival melanoma arising from a compound nevus. Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus Liu, K. C., Mruthyunjaya, P. n., Proia, A. D., Vora, G. K. 2017; 21 (5): 416–18

Abstract

We present a rare case of conjunctival melanoma in a 9-year-old girl who presented with a conjunctival lesion of the left eye, growth of which was documented by patient photographs. Examination showed a raised pigmented lesion at the temporal limbus, with fine surrounding vessels. Enhanced depth imaging-optical coherence tomography showed no invasion into the sclera. The patient underwent excisional biopsy, and histopathology revealed conjunctival melanoma arising from a nevus with malignant cells that stained positively with markers HMB-45 and Ki-67. Systemic workup was negative for metastatic disease. Conjunctival nevi are the most common melanocytic conjunctival lesions in children and generally demonstrate physiologic growth during adolescence. Thus, there may be a greater risk of misdiagnosis of conjunctival melanoma in a child.

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