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Spindle cell lipoma

L Angervall, I Dahl, L G Kindblom

    Acta Pathologica Et Microbiologica Scandinavica. Section A, Pathology
    |November 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Spindle cell lipoma, a benign tumor common in elderly men, presents as a distinct fatty growth. This study confirms its benign nature and proposes a new name for polymorphic variants.

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    Area of Science:

    • Pathology
    • Oncology
    • Dermatology

    Background:

    • Spindle cell lipoma is a distinct lipomatous tumor.
    • It is characterized by fat cells and fibroblast-like spindle cells.
    • Tumors often occur in elderly men on the neck, shoulder, or upper back.

    Purpose of the Study:

    • To present a clinical and microscopic study of spindle cell lipoma.
    • To confirm the benign clinical course of these tumors.
    • To propose a new classification for polymorphic spindle cell lipomas.

    Main Methods:

    • Clinical evaluation of 14 patients.
    • Light and electron microscopy of tumor samples.
    • Long-term follow-up of 11 patients (1-25 years).

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    Main Results:

    • Tumors predominantly affected elderly men, located in the posterior neck, shoulder, or upper back.
    • Tumor size ranged from 1-9 cm (median 5 cm) and were subcutaneous.
    • Follow-up confirmed a benign clinical course; no recurrences or metastases were noted.

    Conclusions:

    • Spindle cell lipoma is a benign subcutaneous tumor with a characteristic histological appearance.
    • It can be mistaken for sarcoma, necessitating careful differential diagnosis.
    • Polymorphic spindle cell lipomas may represent a regressive change, analogous to ancient neurilemmoma, and are proposed to be named 'ancient spindle cell lipoma'.