To investigate the lung complication of patients with gout.
Laboratory, radiation and pathology examining were exerted to 11 patients with gout and lung injury.
Uric acid crystal was found in four patients pleural effusion and stones in two patients' spittle which were consist of monosodium urate (MSU). Uric acid salt crystal was found sputum in five patients as well as fibrosis was found in the patients' lung by radiation and pathology examination.
The diagnoses of lung complications in eleven patients with gout were reliable.