A variety of foreign bodies may enter the gastrointestinal (GI) tract intentionally or accidentally. Many foreign bodies pass through the GI tract spontaneously, but some become impacted, causing symptoms and sometimes complications. The role of imaging in the management of foreign body ingestion is not standardized. Nearly all impacted objects can be removed endoscopically, but surgery is occasionally necessary. Timing of endoscopy varies depending on the type of foreign body ingested.
Foreign bodies in the GI tract may be
Gastric Gastric and Intestinal Foreign Bodies A variety of swallowed objects can become lodged in the stomach or intestines. Some foreign bodies cause obstruction or perforation. Diagnosis is made by imaging or endoscopy. Some foreign bodies... read more (including bezoars Bezoars A bezoar is a tightly packed collection of partially digested or undigested material that most commonly occurs in the stomach. Gastric bezoars can occur in all age groups and often occur in... read more )
The majority of foreign body ingestions occur in children. Deliberate and recurrent foreign body ingestion is described more commonly among prison inmates and psychiatric patients. Denture wearers, older people, and inebriated people are prone to accidentally swallowing inadequately masticated food (particularly meat), which may become impacted in the esophagus. Smugglers who swallow drug-filled balloons, vials, or packages to escape detection (see Body Packing and Body Stuffing Body Packing and Body Stuffing Body packing and body stuffing involve swallowing drug-filled packets or placing them in body cavities to evade detection by law enforcement. Rupture of packets may result in drug absorption... read more ) may develop intestinal obstruction. The packaging may rupture, leading to drug overdose.
The common complications of foreign body ingestion include
1. ASGE Standards of Practice Committee, Ikenberry SO, Jue TL, Anderson MA, et al: Management of ingested foreign bodies and food impactions. Gastrointest Endosc 73:1085–1091, 2011. doi: 10.1016/j.gie.2010.11.010