[Long-standing myalgia and hypouricemia in a young woman : Case report and review of the literature].

ABSTRACT: A 46-year-old female patient had been suffering from multiple symptoms such as arthralgia, myalgia, general fatigue, exhaustion, concentration problems, forgetfulness, difficulty falling asleep and sleeping through the night and depression since the age of 27 years old. Rheumatological preliminary findings revealed rheumatoid arthritis with a lack of response to basic treatment as well as secondary fibromyalgia. Supplementary metabolic examinations were carried out in the case of laboratory tests for hypouricemia, which showed massively increased xanthine levels in the urine. With normal renal function and unremarkable urine sediment, small concrements were sonographically visualized in the renal pelvic calyceal system on both sides. The diagnosis of xanthinuria was made. This is a rare he

SUBMITTER: Venyte R 

PROVIDER: S-EPMC12605529 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature