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Suprasellar neoplasm with a granular cell component

R L Friede, M G Yasargil

    Journal of Neuropathology and Experimental Neurology
    |September 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    This study presents a classification of granular cell lesions and a unique case of a suprasellar meningioma with granular cells. Findings suggest granular cells may originate from mesenchymal elements, not Schwann cells.

    Area of Science:

    • Neuropathology
    • Neoplasia
    • Cell Biology

    Background:

    • Granular cell lesions are of neuropathologic interest.
    • Suprasellar neoplasms require careful classification.
    • Meningiomas are common intracranial tumors.

    Observation:

    • A unique suprasellar neoplasm with meningioma features contained multifocal granular cell nests.
    • These granular cell nests persisted over a five-year period.
    • Cell differentiation suggested granular cell origin from mesenchymal elements.

    Findings:

    • Granular cells in this case did not show evidence of Schwann cell origin.
    • A spectrum of cell differentiation indicated development from small, electron-dense mesenchymal elements with abundant mitochondria.

    Related Experiment Videos

  • The pituitary-hypothalamic axis is proposed as a potential origin for rare mixed neoplasms with granular cell components.

    • Implications:

    • This case expands the understanding of granular cell lesion classification.
    • The findings suggest a mesenchymal origin for granular cells in certain neoplasms.
    • The pituitary-hypothalamic region may be a site for rare mixed granular cell tumors.