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[Vascular complications of Baker's cyst].

The presence of Baker's cyst is clinically demonstrated as compression syndrome of the vessels and nervous stem in the popliteal area. This result frequent in deep venous thrombosis, nervous injuries and blood flow insufficiency distal to the compression site. We present two cases of compression stenosis of the popliteal vessels, clinically manifested. The patients underwent surgical decompression and cystic removal, thus leading to arterial perfusion and/or venous derivation improvement of the lower extremity.