Classifications in Brief: The Herring Lateral Pillar Classification for Legg-Calvé-Perthes Disease

Excerpt

Classifications of Legg-Calvé-Perthes disease (LCPD) may be divided into three categories: those defining the stage of the disease, those attempting to prognosticate outcome, and those defining outcome. Although Arthur Legg MD [13], Jacques Calvé [2], and Georg Perthes MD [17] share credit for their descriptions of the disease published between 1909 and 1910, according to Wenger and Pandya, Henning Waldenstrom of Norway published on LCPD in 1909, mistaking it for tuberculosis of the hip [24]. Although Waldenstrom’s name does not appear in the disease eponym, he is credited with development of the first classification of the disease in 1922, which recognized four stages of radiographic progression: initiation, fragmentation, reossification, and healed [10]. Outcome classifications also are based on radiographic characteristics. The classification of Stulberg et al. groups mature hips by shape of the femoral head and congruency in the joint and is the most widely used outcome measure [11, 23]. …