Rovsing sign (1907): In acute appendicitis, palpation of the left lower quadrant may elicit pain in the right lower quadrant. Niels Thorkild Rovsing (1862-1927)
Authors eponymously associated with abdominal signs, symptoms, investigation and management of appendicitis
Walter Arthur Bastedo (1873 - 1952) was a Canadian gastroenterologist. He is eponymously associated with Bastedo sign (1909) of chronic appendicitis.
Emil Samuel Perman (1856 - 1946) was a Swedish general surgeon. Eponymsously associated with the Perman-Rovsing sign