Fig. 9From: Ultrasound imaging of the posterior lateral corner of the knee: a pictorial review of anatomy and pathologiesUltrasound imaging using the long-axis approach revealed an anechoic region, which was consistent with a partial thickness tear (white arrow) of the biceps femoris tendon (a) and calcification inside its distal insertion (black arrow) (b). Please also reference Supplemental Fig. 2 for the normal appearance of the biceps femoris tendonBack to article page