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Popliteal artery entrapment syndrome

“ Symptomatic deviation and compression of the popliteal artery secondary to an abnormal relationship with the medial head of gastrocnemius/...

Symptomatic deviation and compression of the popliteal artery secondary to an abnormal relationship with the medial head of gastrocnemius/popliteus (rare). 
Affects young sportsmen and is bilateral in up to two-thirds. 
May present as intermittent claudication or acute thrombosis. The management is surgical.
MRI
•  Most useful for demonstrating artery-muscle relationship and vessel lumen.
INTERVENTION
•  Medial deviation or compression of the artery on plantar or dorsi flexion of the ankle.