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Related Experiment Videos

Alkaptonuria with extensive ochronosis.

H W Wyre

    Archives of Dermatology
    |April 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Alkaptonuria patients experiencing new or worsening skin pigmentation should have their kidney function evaluated. This is because declining renal function can cause increased homogentisic acid, leading to ochronosis.

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    Area of Science:

    • Biochemistry
    • Nephrology
    • Dermatology

    Background:

    • Alkaptonuria is a rare inherited metabolic disorder.
    • It is characterized by the inability to metabolize homogentisic acid.
    • This leads to its accumulation in various tissues.

    Observation:

    • A 59-year-old woman with known alkaptonuria presented with recent, extensive ochronosis.
    • Ochronosis is a condition causing dark pigmentation of connective tissues.
    • The patient's skin pigmentation was notably widespread and recent.

    Findings:

    • The extensive skin pigmentation was attributed to decreased renal clearance of homogentisic acid.
    • A decline in the patient's renal function was identified as the likely cause.
    • This suggests a link between renal status and ochronosis severity in alkaptonuria.

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    Implications:

    • Extensive or rapidly progressing ochronosis in alkaptonuria patients warrants renal function assessment.
    • Undiagnosed or unrelated renal disease may contribute to severe ochronosis.
    • Monitoring renal health is crucial for managing alkaptonuria complications.