Hoffman-Rigler sign
Radiographic sign of left ventricular enlargement on lateral chest X-ray, based on LV extension behind the IVC; described by Hoffman and Rigler in 1965
Tag Leo George Rigler
Rigler notch sign
Rigler notch sign: Indentation in the border of a solid lung mass (thought to represent a feeding vessel) suggestive of a bronchial carcinoma
Rigler triad
Rigler triad; Imaging findings in patients with gallstone ileus with an ectopic gallstone causing small bowel obstruction, and pneumobilia
Leo Rigler
Leo George Rigler (1896-1979) was an American radiologist. Eponymously affiliated with Rigler sign; Rigler triad; Rigler notch sign; Hoffman-Rigler sign
Rigler sign
Radiological signs of pneumoperitoneum: history, diagnosis, and key eponyms including Rigler’s sign, Popper’s sign, football sign, and inverted V sign