... volvulus:report of two cases and review of the literature. Am Surg 2005,71:87.3. Matsuhashi N, Satake S, Yawata K, Asakawa E, Mizoguchi T, Kane-matsu M, Kondo H, Yasuda I, Nonaka K, Tanaka C, Misao A, ... laparoscopy or laparotomy followed by detorsionand cholecystectomy is mandatory to avert the potentiallyfatal sequelae of gangrene and perforation. Laparoscopiccholecystectomy is both feasible ... vomiting. An abdominal mass may or may not be pal-pable and there are usually no signs of toxaemia or jaun-dice. Laboratory investigations reveal a normal or highwhite cell count and normal liver...