Summary: | A Turkish dermatologist named Hulusi Beh̃et defined a syndrome, the major symptoms of which comprise oral ulcers, genital ulcers, eye lesions, and skin lesions, as a specific disease in 1937, and the disease was named Beh̃et's disease after him. Since then, there have been more than 4500 reports presented world wide on this disease showing that Beh̃et's disease is no longer rare. Because Beh̃et's disease is clinically dynamic and its clinical symptoms are various and their spectrum very wide. However, there are insufficient pathognomic laborato ry data for the diagnosis of Beh̃et's disease, so it is with great difficulty that Beh̃et's disease specialists diagnose the disease based only on their clinical expe rience. We have therefore collected data from more than 5500 living Beh̃et's disease patients whom we have seen, and we have brought together data from other nations and other continents. We hope the result is a clinical guide for those inter ested in Beh̃et's disease. To improve the accessibility of the information, this text book was made in a photo-monography style with an atlas style, and we have tried our best to make our sentences short and clear. We are grateful to the many scholars worldwide whose contributions have added greatly to the value of this textbook. We are especially grateful to the staff of Springer-Verlag who have shown deep kindness and patience. Special thanks to Ms. Heather Yu for helping us in writing this monograph in English, and Mr. Jung-Woon Lee for his assistance.
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