4 rezultate
We present the case of a 62-year-old male patient with a three-month history of pain in the left shoulder. Magnetic resonance imaging of the left scapula showed an osteo-destructive lesion. H and E stained sections revealed a Langerhans cell sarcoma, and immunohistochemistry was performed
Langerhans cell sarcoma (LCS) is a rare but potentially life-threatening neoplastic condition. The diagnosis of LCS requires morphological and immunophenotypic characterization to distinguish it from other epithelioid-appearing malignancies. Four cases of LCS were encountered in the consultative
Eight histiocytic sarcomas, identified by examination of more than 2000 malignant lymphomas, are described. For comparison, tumor infiltrates from five monoblastic leukemias were also analyzed. The histiocytic sarcomas were all high-grade malignancies consisting of markedly pleomorphic large cells
Neoplasms of histiocytes and dendritic cells are rare, and their phenotypic and biological definition is incomplete. Seeking to identify antigens detectable in paraffin-embedded sections that might allow a more complete, rational immunophenotypic classification of histiocytic/dendritic cell