Pinch sign for acute lateral cutaneous nerve entrapment syndrome (LACNES)

Abstract

When I examined her, she rated her pain intensity as 8 on a 10-point scale. She experienced locoregional flank pain affecting the Th8 vertebra. Physical examination revealed a small maximally sensitive spot along the midaxillary line (video 1). Pinching this spot and lifting the skin elicited intense pain, and light pulling elicited sharp pain (pinch sign positive). Furthermore, thermosensitivity and pain sensitivity differed in each side of her body.