title: Transtracheal migration of an intravertebral Steinmann pin to the left bronchus.
abstract: Foreign body aspiration only rarely occurs by migration into the lung from other sites in the body. This report describes the migration of an intracervical Steinmann pin through the posterior tracheal membrane into the left bronchus and its successful removal via the rigid bronchoscope.
mesh_terms: D000368:Aged; D001980:Bronchi; D001999:Bronchoscopy; D005547:Foreign Bodies / Q000000981:diagnostic imaging; D005548:Foreign-Body Migration / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography