Intra-articular Mass of the Knee by Gout Tophus: A Case Report

Abstract

Gout is a relatively common condition in the population today. With progressing of the treatment of the hyperuricaemia, the case of producing a tophus decreases year by year. On the other hand, people who are leaved without treatment is increasing, and severe cases are also seen. Intra-articular tophus is rare, but some cases have been reported in the knee. In this, a case of 33-year-old man who had an intra-articular mass of the knee by gout tophus, causing the limitation of the range of motion is reported. The patient didn’t improve with conservative treatment, so he had to undergo surgery. After arthroscopic excision of the tumour, the patient was symptom free. There had been no recurrence of symptoms at the two-year follow-up.