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Tophaceous aortic valve: a case report.

R C Jaworski, M Gibson

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

    Tophi, deposits of uric acid crystals, were found on the aortic valve in a patient with chronic tophaceous gout. This led to aortic valve stenosis, highlighting a rare complication of gout.

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    Area of Science:

    • Cardiovascular Pathology
    • Rheumatology
    • Crystal-Induced Arthropathies

    Background:

    • Chronic tophaceous gout is characterized by the deposition of monosodium urate crystals in various tissues.
    • Aortic valve involvement in gout is uncommon, but can lead to significant cardiovascular complications.

    Observation:

    • Post-mortem examination revealed tophi on the aortic valve cusps of a patient with a history of chronic tophaceous gout.
    • These deposits exhibited birefringent and dichroic properties, consistent with uric acid crystal deposition.

    Findings:

    • The identified tophi on the aortic valve cusps were confirmed to be composed of uric acid crystals.
    • Aortic valve stenosis was also present, indicating functional impairment secondary to the crystal deposition.

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    Implications:

    • This case underscores the potential for gout to affect cardiac structures, specifically the aortic valve.
    • The findings suggest that uric acid crystal deposition can lead to valvular dysfunction and stenosis, necessitating consideration in the differential diagnosis of aortic valve disease in patients with gout.