A 38 years old female pacient, in treatment by rheumatoid arthritis (RA), with pain in the 3º intermetatarsal space and paresthesia in the 3º toe, bilateral. She was operated for resection of hipoechoicsmasses showed in echographic examination. The anatomopathologic diagnosis was fibrinoid and mixoid degeneration ( rheumatoid nodule.
Morton's neuroma; Rheumatoid nodule; Interdigital nodule
