adventitial cystic disease
Rare condition where mucin-filled cysts develop in arterial walls, causing external compression and stenosis.
Full Definition
Adventitial cystic disease is a rare vascular condition characterized by the formation of mucin-filled cysts within the adventitial layer of arteries. The popliteal artery is most commonly affected, though cases involving the radial, ulnar, and external iliac arteries have been reported. The cysts cause external compression of the arterial lumen, leading to stenosis or complete occlusion. The condition typically affects middle-aged men and presents with claudication symptoms. The exact etiology remains unclear, though theories include developmental anomalies, trauma, and synovial tissue inclusion during embryogenesis.
Usage
Usage note: Ensure distinction from adventitial fibrosis or other arterial wall pathologies in documentation.
In Context
- "MRI revealed characteristic findings of adventitial cystic disease affecting the popliteal artery." — Imaging report
- "The patient underwent cyst evacuation and arterial reconstruction for adventitial cystic disease." — Operative report