Fig. 1From: Association study of candidate genes for susceptibility to Kashin-Beck disease in a Tibetan populationClinical features of patients with Kashin-Beck disease (KBD). a and b A patient with KBD shows obvious flexion and extension in the knees (circled area) and inter-phalangeal joints (arrow and angle labeled area), with deformity and limited mobility. c The x-ray radiographs of a KBD patient with irregular, enlarged hand inter-phalangeal jointsBack to article page