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
Extrapulmonary tuberculosis in the liver or spleen, splenomegaly, splenic or lymph node calcification, inflammatory thickening of the terminal ileum and caecum, patulous I-C junction and lowattenuation lymphadenopathy may help suggest tuberculosis as the etiology of diffuse peritoneal disease. Like tuberculosis, Crohn‟s disease also can result in granulomatous peritonitis13. Smooth and regular peritoneal thickening is more in favor of granulomatous peritonitis. Extrapulmonary tuberculosis Extrapulmonary tuberculosis is tuberculosis (TB) within another location in the body than the lungs. This occurs in 15–20% of active cases, causing other kinds of TB. These are collectively denoted as "extrapulmonary tuberculosis". Extrapulmonary TB occurs more commonly in immunosuppressed