Burrill Bernard Crohn at Mount Sinai Hospital in 1907. He was promoted to head of gastroenterology in 1920, the same year he joined the staff of Columbia University. Working with colleagues at Mount Sinai Hospital, Crohn identified fourteen patients whose symptoms and intestinal abnormalities discovered at surgery, while consistent with each other, did not fit any previously identified disease. Crohn, along with Leon Ginzburg and Gordon Oppenheimer, prepared the classic paper describing this new condition. This paper was read at a professional meeting in May 1932 and published in the "Journal of the American Medical Association" in October 1932. The title of the
Dieterich's disease or therapy. The cause of Dieterich’s disease is still not fully understood. The disease can afflict patients of any age, but typically affects patients in their 30's. Though rare, it can also occur in children. Statistics show that generally more men are affected by Dieterich's than women in an estimated ratio of 3:2. The third (middle finger) metacarpal head has been reported to be the most common site of necrosis. Though osteonecrosis is a fairly common condition, many cases of avascular necrosis of the metacarpal hand go without being diagnosed. This is because presentation of symptoms is variable depending on