1. The record is presented of an attempt to treat osteochondritis dissecans on idealistic lines. 2. The operative technique to be adopted in the various circumstances likely to be encountered in the knee joint is described. Two cases affecting the talus are recorded. 3. The radiological appearance has become virtually normal in twenty-seven cases (the remaining four are recent); healing has been observed directly in seven cases in which a second operation to remove the means of internal fixation was necessary; and the patients' complaints have been eliminated, but the long term results of treatment are unknown. 4. Suggestions are made for possible developments in the technique of operation.
1 . The extraordinary background and circumstances of discovery of a man, aged fifty, the subject of the rare congenital anomaly of posterior dichotomy, taking the form of a hemipelvis and complete lower limb is reported. 2. The appendage is described and illustrated. 3. Investigations and treatment are described and the result illustrated. 4. Reference is made to previous recorded cases in the literature.
1 . A personal series of twenty-nine discoid menisci is reviewed. 2. Three anatomical types are recognised and described. 3. The characteristic lesions incurred by each type is recorded. 4. The anatomical and pathological features of the specimens are compared with those of cases previously recorded. 5. A discoid medial meniscus is described, and compared with the only other specimen known to be recorded in the literature.
