A 25-year-old man develops right foot drop and difficulty dorsiflexing the foot after wearing a tight leg cast for 5 days. Vital signs are stable (BP 120/80, HR 78, RR 16). Examination reveals sensory loss over the dorsum of the foot and lateral shin, with preserved ankle reflexes. Nerve conduction studies show slowed conduction velocity across the fibular head. He denies pain or swelling. Which nerve is most likely compressed?
- A)Superior gluteal nerve
- B)Tibial nerve
- C)Femoral nerve
- D)Common peroneal nerveGABARITO
- E)Obturator nerve
Explicação
The common peroneal nerve wraps around the fibular neck and is vulnerable to compression from casts or leg crossing. Injury causes foot drop with sensory loss over the dorsum of the foot. Ver explicação completa e trilha adaptativa →