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True histiocytic lymphoma

F Furukawa, S Taniguchi, M Oguchi

    Archives of Dermatology
    |August 1, 1980
    PubMed
    Summary
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    True histiocytic lymphoma of the skin was diagnosed in an 86-year-old man. Multivesicular bodies observed via electron microscopy may aid in diagnosing this rare skin lymphoma.

    Area of Science:

    • Dermatology
    • Oncology
    • Pathology

    Background:

    • True histiocytic lymphoma (THL) is a rare hematologic malignancy affecting the skin.
    • Accurate diagnosis of THL is crucial for appropriate patient management and treatment strategies.

    Observation:

    • An 86-year-old male patient presented with skin lesions indicative of THL.
    • Diagnostic criteria included characteristic histological findings, absence of surface immunological markers on tumor cells, and active phagocytic activity.
    • Electron microscopy revealed intracytoplasmic multivesicular bodies within the tumor cells.

    Findings:

    • The presence of multivesicular bodies in tumor cells was a key finding.
    • These structures are consistent with those observed in other histiocytic proliferative disorders.

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  • The combination of histological, immunological, and functional characteristics confirmed the diagnosis of THL.

    • Implications:

    • Multivesicular bodies may serve as a valuable diagnostic marker for true histiocytic lymphoma.
    • Further research into the role of multivesicular bodies could refine diagnostic criteria for THL.
    • Understanding these cellular features aids in differentiating THL from other skin lymphomas and reactive histiocytic conditions.