PMC5612026_01
Roentgenogram showing lateral patellar subluxation.
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On initial examination, roentgenogram showed lateral patellar subluxation, a Q angle of 0 , congruence angle of -35 , and sulcus angle of 153  (Fig. 1).
Roentgenogram taken prior to the injury shows no lateral patellar subluxation.
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F2
The Kellgren-Lawrence grade for her knee had been 0, with a femorotibial angle of 175 , Q angle of 3 , congruence angle of 0 , and sulcus angle of 145  (Fig. 2).
Magnetic resonance imaging showing a slack and torn medial patellofemoral ligament at the femoral attachment.
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T2-weighted magnetic resonance imaging showed a slack and torn MPFL at the femoral attachment (Fig. 3).
Roentgenogram of the hip joint shows a narrowing of the left joint space, which was diagnosed as left hip osteoarthritis.
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However, roentgenogram of her hip joint showed narrowing of the left joint space, which was diagnosed as left hip OA (Fig. 4).