Popliteal artery entrapment syndrome – type 1

A 34 year old active man who exercises regularly developed a sudden onset of calf pain on the right. He was sent for an ultrasonic investigation. Unfortunately the colour did not project well in the artery and vein on the scan. The hyperechoic line underneath the popliteal artery is the posterior aspect of the medial condyle. No flow was seen …

Intramuscular myxoma

Has anyone seen a lesion like this? 33 year old female. Years of painless lower leg mass. Utrasound shows a very well circumscibed hypo-echoic mass with central stippled echoes. It is hypovascular and is intramucular. intramuscular myxoma. ganglion dissecting into peroneus brevis from the proximal tibio-fibular joint. Benign nerve sheath tumours are not usually intramuscular.

Left Knee

42 year old male who played touch rugby on the beach and developed medial knee pain. Ultrasound confirmed a tear through the inferior aspect of the posterior horn of the medial meniscus with an adjacent meniscal cyst. The tear extends to the periphery of the meniscus. On dynamic viewing the two parts of the meniscus were seen to move separately.

soft tissue mass

35 year old female with mass in post thigh -please comment on the signal on the T1 sequence.What is the differential diagnosis ?

Popliteal Artery Entrapment

A young, 30 year old athlete who developed claudication of the lower leg. This is particularly noted when the patient sits on his haunches. Note the soft tissue between the popliteal artery and the vein, and compression on the popliteal artery with the knee in extension and the foot in dorsi-flexion. The soft tissue is the medial head of gastrocnemius. …