alexa Cutaneous Langerhans cell sarcoma: a case report and review of the literature.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular Biomarkers & Diagnosis

Author(s): Bohn OL, RuizArgelles G, Navarro L, Saldivar J, SanchezSosa S

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Abstract Langerhans cell sarcoma (LCS) is a neoplastic proliferation of Langerhans cells that occurs in lymph nodes, liver, skin, spleen, lung, and bone. We report a case of LCS in a 47-year-old man with a 6-month history of scalp mass and cervical lymphadenopathy. Clinical and pathologic data were available. A histologic examination demonstrated a proliferation of cells with malignant cytologic features. Because of its poorly differentiated morphologic features, hematologic and nonhematologic entities were ruled out by immunohistochemical screening with a broad panel of antibodies. Ultrastructural studies demonstrating Birbeck granules and consistent expression of CD1a, S-100 protein, and langerin by immunohistochemistry were helpful in identifying the Langerhans cell origin. This article was published in Int J Hematol and referenced in Journal of Molecular Biomarkers & Diagnosis

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