{"ops":[{"insert":"A 48 year old man presents with pain and discomfort over the dorsum of the left foot and the front of the left leg just below the knee, for 5 weeks. He was also unable to extend the foot over the last few days.\n\nHe gives a history of intermittent discomfort, pain, and paraesthesia in the same area for six years, which responded to physiotherapy and analgesics. There was no history of trauma.\n"},{"insert":"\n"},{"insert":{"image":"\/storage\/case-images\/pd\/PD-M-185_en.png"}},{"insert":"\n"}]}
2
Investigate
Electromyography
{"ops":[{"insert":"Shows denervation of the L\/tibialis anterior and peroneus longus muscles\n"}]}
Nerve conduction studies
{"ops":[{"insert":"L\/common peroneal nerve: delayed latency and reduction of amplitude suggestive of a compressive lesion distal to the head of the fibula\nL\/tibial and Sural nerves: conduction velocity is within normal limits\n"}]}