Clinical Note |

Hypopharyngeal Gastric Choristoma in an Infant Resulting in Airway Obstruction

Kathryn M. Van Abel, MD; Matthew L. Carlson, MD; Sonia Narendra, MD; Shelagh A. Cofer, MD; Dana M. Thompson, MD
Arch Otolaryngol Head Neck Surg. 2011;137(9):947-951. doi:10.1001/archoto.2011.138.
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Gastric choristoma (GC) is a relatively common congenital condition characterized by the presence of heterotopic gastric tissue outside the bounds of the gastric cavity. Although GCs may occur anywhere along the alimentary tract, they rarely occur in the hypopharynx. Hypopharyngeal GCs often declare themselves clinically during the neonatal period with life-threatening obstructive respiratory symptoms and/or feeding difficulty. We present a case of GC of the posterior pharyngeal wall manifesting as progressive dysphagia with failure to thrive and intermittent stridor.

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Figure 1. Microdirect laryngoscopy demonstrating a large, pink, fleshy broad-based lesion attached to the posterior pharyngeal wall adjacent to and obstructing the laryngeal inlet. The lesion is grossly consistent with an ectopic gastric mucosa.

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Figure 2. The operative wound bed following carbon dioxide laser–assisted excision of the hypopharyngeal gastric choristoma demonstrating minimal bleeding. There is no evidence of residual lesion.

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Figure 3. Histopathologic specimen demonstrating ectopic gastric mucosa with a thin rim of muscularis mucosae surrounding the gastric epithelium. Note the benign stratified squamous pharyngeal epithelium adjacent to the ectopic gastric mucosa (hematoxylin-eosin, original magnification ×40).




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Gastric heterotopia causing airway obstruction. Int J Pediatr Otorhinolaryngol 1989;18(1):67-72.
Hypopharyngeal gastric choristoma in an infant resulting in airway obstruction. Arch Otolaryngol Head Neck Surg 2011;137(9):947-51.

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