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Ophthal Plast Reconstr Surg. 2003 Mar;19(2):162-4.

Recurrent solitary reticulohistiocytoma of the eyelid.

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1
Lions Eye Institute, Department of Ophthalmology, Albany Medical College, New York, U.S.A.

Abstract

A healthy 13-year-old female presented with a 5-month history of an enlarging red-brown, firm lower eyelid mass associated with loss of eyelashes. An excisional biopsy revealed a well-circumscribed nodule composed of coalescing nests of epithelioid cells, rare multinucleated cells, and vacuolated macrophages and spindle cells. Additional studies revealed a positive vimentin and alpha(1)-antitrypsin, and negative S100 protein and Factor XIIIa immunophenotype. This constellation of clinicopathologic features is diagnostic of solitary reticulohistiocytoma, but also shows overlap with xanthogranuloma, a common childhood histiocytosis. Reticulohistiocytoma should be considered in the differential diagnosis of eyelid tumors and has the potential for local recurrence. Diffuse cutaneous reticulohistiocytosis or multicentric reticulohistiocytosis should be considered if similar cutaneous lesions with or without symptoms of arthritis are present, respectively.

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