The SP-ET index is a new index for assessing the vertical position of patella.
Jia LiMao YuanLanyu QiuBo ShengFan YuHaitao YangFurong LvFajin LvWei HuangPublished in: Insights into imaging (2022)
The SP-ET index may be a useful complement parameter to define the vertical position of the patella relative to the femoral trochlear. Increased SP-ET index may be an important risk factor for patellar cartilage lesions.