CTICasesEsophageal Bravo Wireless pH Monitor
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Imaging findings
Chest CT reveals a small, 3 cm metallic capsule-shaped device attached to the mucosal wall of the distal esophagus, showing a characteristic capsule shape on maximum intensity projections (MIP).
Key takeaways
The Bravo wireless pH monitor is a minimally invasive device endoscopically attached to the distal esophageal mucosa to record pH levels over 48 to 96 hours. It is designed to spontaneously detach and pass harmlessly through the gastrointestinal tract, and radiologists must recognize its typical appearance to avoid misinterpreting it as an impacted foreign body.
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