
Quincke’s Triad
Quincke's Triad describes hemobilia via the triad of GI bleeding, biliary colic, and jaundice; first detailed by Heinrich Quincke in 1871, named retrospectively in 1975

Quincke's Triad describes hemobilia via the triad of GI bleeding, biliary colic, and jaundice; first detailed by Heinrich Quincke in 1871, named retrospectively in 1975

Howship-Romberg sign: pain and paraesthesia along the distribution of the obturator nerve (medial thigh to knee); a clinical indicator of obturator nerve compression, commonly due to an obturator hernia

William Halsted (1852–1922), pioneering American surgeon, revolutionized surgery with aseptic technique, anesthesia, gloves, and the residency training model.

Chilaiditi sign: rare condition with bowel loops interposed between liver and diaphragm, with symptoms (syndrome). Must differentiate from free air.

Mark M. Ravitch, pioneering pediatric surgeon, innovator of the Ravitch procedure, stapling, intussusception care, and Cantrell’s sequence.

German physician Bernhard Naunyn (1839–1925), pioneer of experimental medicine, defined acidosis, advanced diabetes and gallstone research, and co-founded Naunyn–Schmiedeberg’s Archives

Mallory–Weiss syndrome: upper GI bleeding from gastroesophageal tears. History, key figures, first descriptions, diagnosis, and treatment.
Courvoisier’s sign: palpable gallbladder with painless jaundice suggests malignant obstruction, not gallstones. A key clinical diagnostic clue.
Ludwig Georg Courvoisier (1843 - 1918) was a Swiss surgeon. Courvoisier Sign (1890)

Rigler triad; Imaging findings in patients with gallstone ileus with an ectopic gallstone causing small bowel obstruction, and pneumobilia

Leo George Rigler (1896-1979) was an American radiologist. Eponymously affiliated with Rigler sign; Rigler triad; Rigler notch sign; Hoffman-Rigler sign

Radiological signs of pneumoperitoneum: history, diagnosis, and key eponyms including Rigler’s sign, Popper’s sign, football sign, and inverted V sign