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. 2011 Nov 18;20(8):1575–1580. doi: 10.1007/s00167-011-1775-7

Fig. 4.

Fig. 4

Arthroscopic appearance of the medial recessus in a 25-year-old woman with an MRI-based complete disruption of the MPFL (please see Fig. 2) 20 days after patellar dislocation. The synovial tissue is intact with some blood residues and haematoma shining through the synovial membrane. The MPFL injury is not directly visible