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Updated: Jul 10, 2026

Nerve Ultrasound Protocol to Detect Dysimmune Neuropathies
Published on: October 7, 2021
Femoral neuropathy in a patient with rheumatoid arthritis
Hakan Genc1, Ozlem Balaban, Aynur Karagoz
12nd Department of Physical Medicine and Rehabilitation, Ministry of Health, Ankara Education and Research Hospital, Ulucanlar Caddesi, 06340 Cebeci, Ankara, Turkey. hakangenc06@hotmail.com
Abstract:
Femoral mononeuropathy (FMN) as an extraarticular finding of rheumatoid arthritis (RA) is a phenomenon which has not been reported previously. We report a 53-year-old female patient with RA, presenting FMN findings during the course of the disease. On examination, right quadriceps and iliopsoas muscles showed grade 3 weakness on the Medical Research Council (MRC) scale. Sensory examination revealed sensory loss in the right medial leg and thigh. Patellar tendon reflex was absent in the right side. A diagnosis of a partial right femoral neuropathy was confirmed using nerve conduction study and electromyography. The probable mechanism of FMN was thought to be vasculitis.
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