Papular xanthoma. A clinical, histologic, and ultrastructural study

Abstract
Electron microscopic examination in a case of papular xanthoma revealed the presence of myelinlike laminated bodies in the cytoplasm of the foam cells. Similar bodies have apparently been described in large numbers in only 2 cases of congenital self-healing histiocytosis and 1 case of generalized eruptive histiocytoma. The presence of laminated bodies may be a morphologic characteristic of papular xanthoma. However, this possibility should be confirmed by identification of the same inclusions in other cases of this disease.

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