Ruptured Baker's cyst causes ecchymosis of the foot. A differential clinical sign.

Three consecutive patients with ruptured Baker's cysts, verified by duplex scan, were found to have ecchymosis on the dorsum of the foot. The appearance of ecchymosis can be helpful in differentiating a ruptured cyst from cellulitis or deep-vein thrombosis.

[1]  J. Hooper,et al.  POPLITEAL CYSTS AND THEIR RUPTURE IN THE RHEUMATOID ARTHRITIC SIMULATING THROMBOPHLEBITIS , 1971, The Medical journal of Australia.

[2]  M. Jayson,et al.  Valvular mechanisms in juxta-articular cysts. , 1970, Annals of the rheumatic diseases.

[3]  G. Rodnan,et al.  Giant synovial cysts of the calf in patients with rheumatoid arthritis. , 1968, The Journal of bone and joint surgery. American volume.

[4]  R. Yano.  [Chronic rheumatoid arthritis]. , 1967, Nihon rinsho. Japanese journal of clinical medicine.

[5]  R. T. Reid,et al.  Dissecting popliteal cyst simulating thrombophlebitis. , 1966, Annals of internal medicine.

[6]  A. Good,et al.  RHEUMATOID ARTHRITIS, BAKER'S CYST, AND "THROMBOPHLEBITIS". , 1964, Arthritis and rheumatism.

[7]  G. Arden,et al.  RHEUMATOID CYSTS OF THE CALF AND THEIR RELATION TO BAKER'S CYSTS OF THE KNEE , 1961 .

[8]  D. C. Beatty.  Rheumatoid Cysts of the Calf , 1959, Proceedings of the Royal Society of Medicine.

[9]  D. Dahlin,et al.  Popliteal cyst; a clinicopathological survey. , 1956, The Journal of bone and joint surgery. American volume.