ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Thrombophlebitis. Coloured angiogram (X-ray) of the brain of a 28 year old female patient who had thrombophelibitis of the superior sagittal sinus (top left). Thrombophlebitis is inflammation of a blood vessel associated with a blood clot. Here the blood clot has interrupted the blood flow along the superior sagittal sinus. The patient was taking the contraceptive pill, which can increase the risk of blood clot formation.
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