Benign non-X histiocytosis: A unique case bridging several of the non-X histiocytic syndromes

B. M. Coldiron, Ponciano D Cruz, R. G. Freeman, R. D. Sontheimer

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


We present a patient with a papular eruption of 4 years' duration that clinically resembled xanthoma disseminatum or the indeterminate cell disorder. On light microscopy his disorder resembled generalized eruptive histiocytoma or the indeterminate cell disorder. Special stains, cultures, and electron microscopy were noncontributory. Indirect immunofluorescence studies with monoclonal antibodies to cell surface markers demonstrated infiltrating cells of monocyte/macrophage lineage (OKM1, MAC-1, HLA-DR, and HLA-DQ positive) rather than Langerhans or indeterminate cell lineage (OKT6 negative). This case may overlap two or more of the previously reported non-X histiocytic syndromes, suggesting that perhaps these syndromes should be viewed as a spectrum of disease rather than as discrete entities. We recommend performing cell phenotyping on all new cases of non-X histiocytosis because clinical, microscopic, and ultramicroscopic findings often prove inadequate for classification.

Original languageEnglish (US)
Pages (from-to)1282-1289
Number of pages8
JournalJournal of the American Academy of Dermatology
Issue number6
StatePublished - 1988

ASJC Scopus subject areas

  • Dermatology


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