1. [A male with black cartilage].
- Author
-
Visser D and Verhaar JAN
- Subjects
- Cartilage metabolism, Cartilage surgery, Color, Homogentisic Acid metabolism, Humans, Incidental Findings, Knee surgery, Knee Joint metabolism, Knee Joint surgery, Male, Middle Aged, Osteoarthritis complications, Osteoarthritis surgery, Alkaptonuria complications, Alkaptonuria metabolism, Alkaptonuria surgery, Arthroplasty, Replacement, Knee, Cartilage pathology, Knee pathology, Knee Joint pathology, Ochronosis etiology, Ochronosis metabolism, Ochronosis surgery
- Abstract
A 52-year-old men suffered from osteoarthritis of the knee. During knee replacement surgery, the remaining cartilage appeared black. This discoloration and early degeneration of the cartilage is characteristic for the metabolic disorder alkaptonuria in which homogentisic acid accumulates in the body.
- Published
- 2021