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Baker's cyst connected to popliteal artery cyst
H Schroë1, C Van Opstal, J De Leersnijder
1Department of Vascular Surgery, St. Norbertus, Clinic, Duffel, Belgium.
Insights
Cystic adventitial disease compressed a patient's popliteal artery, causing exercise-induced ischemia. The condition involved a Baker's cyst, with fluid shifting into the artery cyst upon compression.
Area of Science:
- Vascular Surgery
- Musculoskeletal Disorders
- Diagnostic Imaging
Background:
- Cystic adventitial disease (CAD) is a rare condition causing arterial stenosis.
- Popliteal artery involvement is most common, often affecting middle-aged men.
- Associated Baker's cysts are infrequently reported.
Purpose of the Study:
- To present a unique case of popliteal artery compression by cystic adventitial disease linked to a Baker's cyst.
- To elucidate the mechanism of exercise-induced ischemia in this specific presentation.
- To discuss the potential etiology of this rare vascular condition.
Main Methods:
- Case report detailing clinical presentation, diagnostic findings, and management.
- Review of relevant literature on cystic adventitial disease and Baker's cysts.
- Discussion of the proposed pathophysiology based on cyst fluid dynamics.
Main Results:
- A patient presented with intermittent claudication due to left popliteal artery compression.
- Imaging revealed an adventitial cyst connected to a Baker's cyst.
- Symptoms were triggered by exercise, attributed to Baker's cyst compression forcing fluid into the adventitial cyst.
Conclusions:
- The connection between Baker's cyst and popliteal artery adventitial cyst can cause dynamic arterial compression.
- Exercise-induced mechanical stress on the Baker's cyst is a plausible mechanism for symptom onset.
- This case highlights the importance of considering associated cystic structures in CAD etiology.
Abstract:
A patient with compression of the left popliteal artery by cystic adventitial disease is presented. The adventitial cyst was connected to a Baker's cyst. The patient suffered severe ischemia only after heavy exercise, because the mucous fluid of the Baker's cyst shifted into the popliteal artery cyst when the Baker's cyst was compressed. The etiology of cystic adventitial disease of the popliteal artery in this patient is discussed.