Hilgenreiner line
Hilgenreiner line is the horizontal pelvic reference line used in paediatric hip radiographs. Review its use in DDH, history, Perkin line relationship and eponymythology.
Category Eponymictionary
Rolando fracture
Rolando fracture is a comminuted intra-articular fracture of the base of the first metacarpal. History, mechanism, imaging, management and eponym.
Paracetamol or Acetaminophen?
Paracetamol or acetaminophen? Discover how one familiar analgesic was made, overlooked, rediscovered and given two different names worldwide.
History of fluorescein
Fluorescein: history, chemistry and modern eye uses—corneal staining, Seidel leak test, Jones drainage test and retinal angiography.
Adrenaline or epinephrine?
Adrenaline or epinephrine? Based on the 'usage argument'; 'historical precedent' and 'etymological derivation'...
Fleischner sign
Fleischner sign: prominent central pulmonary artery enlargement in pulmonary embolism, with history, mechanism, imaging features and diagnostic relevance.
Ombrédanne–Armingeat syndrome
Ombrédanne–Armingeat syndrome: historical infant postoperative pallor–hyperthermia syndrome and relationship to malignant hyperthermia.
Tönnis classification
Tönnis classification for developmental hip dysplasia: radiographic grades, key landmarks, limitations, historical development and the IHDI system
Fleischner lines
Fleischner lines: linear plate-like atelectatic opacities on chest radiograph, with historical origins, mechanism and association with pulmonary embolism.
Westermark sign
Westermark sign: regional pulmonary oligaemia on chest X-ray in pulmonary embolism, with historical origins, imaging features and modern clinical relevance.
Palla sign
Palla sign (1983) right descending pulmonary artery enlargement and 'sausage-shaped' appearance as a potential sign of pulmonary embolism on chest XR
Hampton hump
Hampton hump: pleural-based pulmonary infarction on chest X-ray, with historical origins, radiographic features, pathology and modern PE relevance.