Chapter 14 Foreign Bodies in Children
Gastrointestinal Foreign Bodies
4 What are the common esophageal sites for lodgment of foreign bodies?
Most esophageal foreign bodies (60–70%) lodge at the level of the thoracic inlet at the cricopharyngeus muscle (Fig. 14-1). The other sites of lodgment include the lower esophageal sphincter and the level of the aortic arch. Patients with histories of congenital esophageal abnormalities or acquired strictures have objects (usually meaty foodstuffs) that impact at the area of anatomic narrowing.
McGahren ED: Esophageal foreign bodies. Pediatr Rev 20:129–133, 1999.