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Radiologic manifestations in alcaptonuria.

P Justesen, P E Anderson

    Skeletal Radiology
    |January 1, 1984
    PubMed
    Summary

    Alcaptonuria is a rare genetic metabolic disorder caused by a deficiency in homogentisic acid oxidase. This leads to homogentisic acid accumulation, causing ochronosis and joint disease.

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    Area of Science:

    • Biochemistry
    • Genetics
    • Metabolic Disorders

    Background:

    • Alcaptonuria is an inherited metabolic disorder.
    • It results from a deficiency of the enzyme homogentisic acid oxidase.
    • This enzyme is crucial for amino acid metabolism.

    Observation:

    • Homogentisic acid accumulates in the body.
    • Excess homogentisic acid is excreted in urine.
    • Deposition occurs in connective tissues, leading to ochronosis.

    Findings:

    • Ochronotic pigmentation is a key characteristic.
    • Arthropathy (joint disease) is a significant clinical manifestation.
    • Radiological findings are indicative of the condition.

    Implications:

    • Understanding alcaptonuria aids in diagnosing rare metabolic diseases.
    • Recognizing radiological signs can improve early detection.
    • Further research into metabolic pathways is warranted.