title: Alkaptonuria - more than meets the eye.
abstract: An elderly gentleman with chronic lower back and bilateral knee pain was found to have clinical and radiographic findings consistent with alkaptonuria. Diagnosis was confirmed by the detection of elevated homogentisic acid level in the urine using gas chromatography-mass spectrometry.
authors: Hospital Kuala Lumpur, Department of Medicine, Hospital Kuala Lumpur, Jalan Pahang, Kuala Lumpur, Wilayah Persekutuan 50586 Malaysia. ongsweeg@gmail.com.
authors: S G
authors: SG
authors: Ong
authors: B C
authors: BC
authors: Chen
mesh_terms: D000474:Alkaptonuria; D006713:Homogentisic Acid; D006801:Humans
chemical_list: D006713:Homogentisic Acid