2019 年 38 巻 1 号 p. 49-52
Alcaptonuria is a rare autosomal recessive metabolic disorder caused by the deficiency of an enzyme that results in the accumulation in tissues of homogentisic acid. This case report concerns a 76-year-old gentleman who developed severe pain during walking. Studies demonstrated typical ochronotic arthropathy of both hips. He underwent bilateral total hip arthroplasty, with good short-term results.