title: Rheumatoid arthritis-induced peroneal spastic flatfoot.
mesh_terms: D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000473:pathology; D005413:Flatfoot / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D013035:Spasm / Q000209:etiology / Q000473:pathology