Category LITFL

Albert Henry Freiberg (1868-1940) 680

Albert Henry Freiberg

Albert Henry Freiberg (1868-1940), American orthopaedic surgeon who described Freiberg infraction and helped advance orthopaedics and disability rehabilitation.

George Kovacs MD 680

George Kovacs

George Kovacs: Canadian emergency physician, airway educator and AIME co-founder known for the Kovacs sign, cadaver training and airway guidelines.

C. H. Joseph Chang 장재현 (1929–2017) 680

C. H. Joseph Chang

C. H. Joseph Chang (1929–2017), Korean-American radiologist known for Chang sign and pioneering work in mammography and dedicated breast CT imaging.

Fleischner sign 680

Fleischner sign

Fleischner sign: prominent central pulmonary artery enlargement in pulmonary embolism, with history, mechanism, imaging features and diagnostic relevance.

Tönnis classification of DDH 680

Tönnis classification

Tönnis classification for developmental hip dysplasia: radiographic grades, key landmarks, limitations, historical development and the IHDI system

Felix George Fleischner (1893-1969) 680

Felix Fleischner

Felix Fleischner (1893–1969), Austrian-American chest radiologist known for Fleischner sign, Fleischner lines and the Fleischner Society.

Fleischner lines 680

Fleischner lines

Fleischner lines: linear plate-like atelectatic opacities on chest radiograph, with historical origins, mechanism and association with pulmonary embolism.