CT evaluation of self-induced and retained foreign bodies in the abdomen and pelvis

Computed tomography (CT) can both locate and identify foreign bodies as well as pinpoint complications to help direct treatment. Retained foreign bodies in the abdomen and pelvis can lead to perforation, obstruction, intussusception, fistula formation, and abdominal abscess formation. This article r...

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Bibliographic Details
Published in:Clinical imaging 2021-12, Vol.80, p.26-35
Main Authors: Lugo-Fagundo, Carolina, Ghodasara, Nevil, Fishman, Elliot K., Azadi, Javad R.
Format: Article
Language:English
Subjects:
Abdomen
Abscesses
Asymptomatic
Complications
Computed tomography
Fistula
Foreign bodies
Granulomas
Intussusception
Packaging
Pelvis
Peritonitis
Rectum
Retained foreign bodies
Self-induced foreign bodies
Sutures
Visualization
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Summary:Computed tomography (CT) can both locate and identify foreign bodies as well as pinpoint complications to help direct treatment. Retained foreign bodies in the abdomen and pelvis can lead to perforation, obstruction, intussusception, fistula formation, and abdominal abscess formation. This article reviews the imaging appearance of incidentally found common foreign bodies and the role of CT in identifying unsuspected foreign bodies. •10–20% of GI foreign objects are removed endoscopically or surgically.•CT is the most useful imaging modality for locating foreign bodies.•Multiplanar reformats improve visualization of foreign bodies & surrounding tissues.•3D rendering can further improve identification of retained foreign bodies.
ISSN:0899-7071
1873-4499
DOI:10.1016/j.clinimag.2021.06.029