How are intraocular melanocytomas diagnosed?

Updated: Jun 25, 2020
  • Author: Andrew A Dahl, MD, FACS; Chief Editor: Hampton Roy, Sr, MD  more...
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Diagnosis of melanocytoma is through direct visualization using slit lamp, gonioscopy, or indirect ophthalmoscopy.

Melanocytomas can occur anywhere along the uveal tract, although the optic nerve is the most common site.

These appear as darkly pigmented, isolated lesions, which have a strong tendency to undergo necrosis and fragmentation, leading to pigment release. Consequently, trabecular meshwork becomes obstructed, leading to intraocular pressure elevation.

Treatment of melanocytoma consists of observation with photographic documentation in smaller lesions. Glaucoma management starts with medical therapy.

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