What workup do you recommend for patients with symptoms suggestive of saphenous neuropathy?

In most cases of isolated saphenous neuropathy, the etiology is pretty straightforward, as it usually occurs after surgery or injury/trauma at the medial knee. Another common cause of more distal saphenous neuropathy is saphenous vein harvesting for CABG surgery (less common nowadays). When there is no history of surgery or trauma, it can occur due to entrapment of the nerve at the Hunter's adductor canal at the medial knee or due to pes anserine bursitis.

The presence of sensory loss at the med...