CASE 173

History: A 63-year-old woman presents with sudden onset of dysphagia; she cannot tolerate pills, fluids, or her own saliva.

1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)

A. Intraluminal foreign body

B. Mucosal polypoid mass

C. Submucosal mass lesion

D. Serosal involvement

E. Extrinsic mass impression

2. What is the most common predisposing factor for esophageal foreign body obstruction?

A. Child

B. Elderly

C. Stricture

D. Nonaccidental

3. What therapeutic option should a radiologist perform first on discovery of an impacted food bolus in the distal esophagus?

A. Snare retrieval

B. Effervescent agent

C. Parenteral antispasmodic

D. Proteolytic enzyme via nasogastric tube

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