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Related Experiment Videos

Tenosynovial fibroma.

J G Azzopardi, F Tanda, R Salm

    Diagnostic Histopathology
    |April 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Tenosynovial fibroma, a rare tumor of the tendon sheath, primarily affects young to middle-aged men in the hands and wrists. Accurate diagnosis is crucial to differentiate it from other benign and malignant soft tissue tumors.

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    Area of Science:

    • Orthopedic Pathology
    • Soft Tissue Tumors
    • Dermatopathology

    Background:

    • Tenosynovial fibroma (angiofibroma of tendon sheath) is a rare tumor.
    • It predominantly affects young and middle-aged men.
    • The distal extremities, particularly fingers, hands, and wrists, are the most common sites, accounting for 80% of cases.

    Purpose of the Study:

    • To describe the clinicopathological features of tenosynovial fibroma.
    • To highlight the importance of differentiating tenosynovial fibroma from other soft tissue lesions.
    • To emphasize the diagnostic criteria for tenosynovial fibroma.

    Main Methods:

    • Review of clinicopathological findings in cases of tenosynovial fibroma.
    • Histopathological examination including immunohistochemistry for Factor VIII.

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  • Differential diagnosis discussion with similar benign and malignant soft tissue tumors.

    • Main Results:

    • Tenosynovial fibromas are typically small, firm, and sometimes painful lesions attached to the tendon sheath.
    • Palmar and plantar surfaces are preferentially involved.
    • Characteristic slit-like vascular spaces, identified by Factor VIII staining, are a key diagnostic feature.

    Conclusions:

    • Tenosynovial fibroma is a distinct clinicopathological entity.
    • Distinguishing it from lesions like nodular fasciitis, angiomyoma, giant-cell tumor of tendon sheath, and synovial sarcoma is essential.
    • Factor VIII staining aids in identifying vascular spaces, crucial for accurate diagnosis.