Bipartite patella

Case contributed by Dr Fakhry Mahmoud Ebouda


Right knee pain and limited range of motion.

Patient Data

Age: 18 years
Gender: Male

The patella is made of two components with the smaller accessory one being at its lateral margin (type II bipartite patella according to H Saupe classification). A bursa is seen filled on the anterolateral aspect of the lower femoral condyle. Associated mild synovial joint effusion is seen. 

Case Discussion

Type II bipartite patella, which is a normal anatomical variant. 

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