CLASSIFICATION OF RARE DISEASES; A COMMENT ON ‘ATLAS OF ESOPHAGEAL ATRESIA’

Commentary on esophageal atresia classification systems, highlighting the comprehensiveness of Kluth's 1976 classification which uniquely includes congenital esophageal web among ten anatomical variants. The classification accounts for upper/lower pouch anatomy, gap distance, and associated abnormalities including stenosis and esophagobronchial connections.