iris xanthogranuloma
Synopsis
histiocytes
lymphocytes
multinucleated giant cells
eosinophilic leukocytes.
The histiocytes stain positive for CD68, CD45, and factor XIIIa and negative for S-100 and CD1a.
Differential diagnosis
iris melanoma
References
Sukavatcharin S, Cursino S, Li G, Green RL, Lim JI, Rao NA. Xanthogranuloma of the iris simulating melanoma in an adult. Am J Ophthalmol. 2007 Mar;143(3):529-31. PMID: #17317408#