[The importance of arthroscopy and guided biopsy of the knee joint in gout].

The authors studied the arthroscopic picture of the knee joint in 50 male patients, 40 of whom had a genuine gout and 10 a doubtful one. A high diagnostic significance of arthroscopy was emphasized, it rose with the use of a morphological analysis of samples of synovial membrane and villi obtained by means of target biopsy, microscopy and chemical identification of urate.