1. Ninety-eight cases of fracture of the upper end of the tibia treated by operative reduction have been reviewed.
2. The true split fractures and the mildly comminuted compression fractures showed the best results. The "mosaic" cases showed the least satisfactory results.
3. Age has scarcely any effect on the end-results and is consequently no contra-indication to operation.
4. Nearly half the patients regained normal or almost normal mobility in the knee joint.
5. In no case did a meniscus left in place cause symptoms indicating internal derangement.