Deep venous thrombosis, iliofemoral

This picture shows a red and swollen thigh and leg caused by a blood clot (thrombus) in the deep vein in the groin (iliofemoral vein), which prevents normal return of blood from the leg to the heart.

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Review Date: 3/10/2011
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

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