[Ectopic gastric mucosa in the proximal esophagus]. / Mucosa gástrica ectópica en esófago proximal.

Gastric mucosa is not found often in the proximal and medial esophagus. Hematemesis and dysphagia are the most frequent symptoms. We report a six year-old child who complained of difficulty in swallowing. A filling defect was detect in the esophagogram. We biopsied the suspected area, through an endoscopy and the pathological examination informed of ectopic gastric mucosa. We performed a 99Tc isotopic study. The child is on ambulatory controls and at the moment is asymptomatic.