Commonly,<unk>  is caused by rupture of a popliteal cyst causing leakage of synovial fluid, leading to inflammatory irritation to the gastrocnemius muscle.<unk>  is not the only possible consequence of a popliteal cyst. The existence of a large popliteal cyst can be a risk factor for deep vein thrombosis. Furthermore, a ruptured popliteal cyst may cause compartment syndrome in the calf or even the thigh.
Pseudothrombophlebitis
Superficial thrombophlebitis
Varicose veins
Septic thrombophlebitis
Thrombophlebitis
Superficial vein thrombosis
Lymphangitis
Trombiculosis