Shore et al. modification of Torode classification. Torode I, avulsion of bony elements of pelvis and separation through or adjacent to cartilaginous physis. Torode II, iliac wing fracture resulting from direct lateral force against pelvis causing disruption of iliac apophysis or infolding fracture of wing of ilium. Torode IIIA, simple stable anterior ring fracture involving pubic rami or pubic symphysis. Torode IIIB, stable anterior and posterior ring fracture. Torode IV, unstable ring disruption fracture, including ring disruptions, hip dislocations, and combined pelvic and acetabular fractures.