spindle cell lipoma


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  • Names

    • spindle cell lipoma
    • pleomorphic lipoma

  • Clinical

    • site: posterior neck, shoulder
    • male > female (10:1)
    • age 55

  • Histology

    • spectrum between spindle to pleomorphic/multinucleated giant cells
    • ropey collagen
    • lymphoplasmacytic infiltrate

  • Stains

    • CD34+
    • can rarely be S100+

  • Molecular

    • Chromosome 13, 16 monosomy or partial loss
    		•