NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

Behcet syndrome
(beh-SHET SIN-drome)
A rare disorder that causes the blood vessels to become inflamed. Symptoms include sores in the mouth and on the sex organs and other skin problems, inflammation in parts of the eye, and pain, swelling, and stiffness of the joints. Other serious symptoms include blood clots, blindness, and inflammation of the brain, spinal cord, and digestive system. The symptoms may come and go on their own. Behcet syndrome is most common in young adults and its cause is unknown. Also called Behcet disease.