Carl Langenbuch

Carl Johann August Langenbuch (1846 - 1901) was a German surgeon. Pioneer in hepatobiliary surgery and performed the first cholecystectomy at the Lazarus Hospital in Berlin in July 1882

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Fleischner sign

Fleischner sign: prominent dilated central pulmonary artery. Enlargement can be associated with massive embolus enlarging the luminal diameter of the proximal artery in the acute setting; or pulmonary hypertension in the subacute to chronic setting