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Alkaptonuria in a 6 Year Old Patient: Case Report
Vikas Sharma1, Rajendra B Nerli1, Prasad V Magdum1
1KLES Kidney Foundation, KLES Dr. Prabhakar Kore Hospital and Medical Research Center, KLE University's J. N. Medical College, Belgaum 590010, Karnataka, India.
Urology Case Reports
|January 22, 2016
Summary
Alkaptonuria, a rare metabolic disorder, was diagnosed in a 6-year-old boy. His urine turned black upon standing due to high levels of homogentisic acid, a hallmark of this condition.
Area of Science:
- Biochemistry
- Genetics
- Pediatrics
Background:
- Alkaptonuria is an inherited metabolic disorder.
- It results from a deficiency in the enzyme homogentisate 1,2-dioxygenase.
- This leads to the accumulation of homogentisic acid.
Observation:
- A 6-year-old male child presented with unusual dark staining of the toilet after urination.
- The patient's urine turned black when left standing in a sterile container for several hours.
- These clinical observations are characteristic of HGA deposition.
Findings:
- Urine analysis confirmed massive amounts of homogentisic acid (HGA).
- The diagnostic findings were consistent with the metabolic defect in tyrosine catabolism.
- The patient was diagnosed with alkaptonuria.
Implications:
- Early diagnosis of alkaptonuria is crucial for managing potential complications.
- Understanding tyrosine catabolism disorders aids in developing targeted therapies.
- This case highlights the importance of recognizing rare metabolic diseases in pediatric patients.
