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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: A novel ultrasound scanning approach for evaluating femoral cartilage defects of the knee: comparison with routine magnetic resonance imaging

Fig. 2

Novel ultrasound (US) scanning approach for the detection of femoral cartilage. a With fully extended knee (0°), transverse and longitudinal scanning of bilateral sides of the patella for cartilage of the anterior portion of medial (1) and lateral (2) condyles with the patient in the supine position. b Transverse and longitudinal scanning of the popliteal fossa for the posterior portion of medial (1) and lateral (2) condyles with the patient in a prone position with a fully extended knee. c With maximum knee flexion in the supine position, transverse and longitudinal scanning of the trochlear surface (1) and weight-bearing portion of medial (2) and lateral (3) condyles. Red area, surface projection of the femoral cartilage; black area, surface projection of the patella

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X