The role of diagnostic ultrasound-guided selective common peroneal nerve block in a patient with negative imaging but with classic neuropathic pain after below knee amputation.

Below-knee amputation neuromas may be hard to detect radiographically. This case report demonstrates that in a below-knee amputee with negative imaging but with classic neuropathic pain, successful diagnostic ultrasound-guided nerve-selective peripheral nerve block may be performed to diagnose the problem; subsequent resection of the neuroma may relieve severe neuropathic pain.