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Benign bone tumors.

D L Gilday, J M Ash

    Seminars in Nuclear Medicine
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Bone scanning effectively identifies benign bone neoplasms and pain sources like osteoid osteomas. This imaging technique aids in diagnosing lesions and differentiating benign from malignant conditions.

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    Area of Science:

    • Nuclear Medicine
    • Oncology
    • Radiology

    Background:

    • Limited literature exists on bone scanning for benign bone neoplasms.
    • Bone scintigraphy has become feasible and useful with technetium-99m-polyphosphate (99mTc-polyphosphate).

    Purpose of the Study:

    • To evaluate the utility of bone scanning in diagnosing benign bone neoplasms.
    • To assess the role of bone imaging in differentiating benign from malignant bone lesions.

    Main Methods:

    • Utilized bone scanning with 99mTc-polyphosphate, including blood-pool and delayed images.
    • Incorporated pinhole magnification imaging for spinal and pelvic lesions.
    • Studied various benign bone tumors: cysts, fibrous defects, osteochondromas, enchondromas, osteoid osteomas, and fibrous dysplasia.

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    Main Results:

    • Absence of hyperemia on blood-pool images and low uptake on delayed scans suggest benign neoplasms.
    • Bone scans accurately located osteoid osteomas and defined fibrous dysplasia extent.
    • Scintigraphy differentiated benign osteochondromas/enchondromas from sarcomas.
    • Minimal radiopharmaceutical uptake observed in bone cysts, fibrous cortical defects, and nonossifying fibromas unless traumatized.
    • Bone scans aided in prognosis and treatment of histiocytic bone lesions within reticuloses.

    Conclusions:

    • Bone scanning is valuable for diagnosing benign bone neoplasms, especially when radiological findings are unclear.
    • Scintigraphy aids in differentiating benign from malignant bone lesions and evaluating lesion extent.
    • Imaging is particularly useful for lesions in the spine and pelvis.