Keywords
esophagus
gastrointestinal tract
immunohistochemistry
How to Cite
Abstract
Granular cell tumor or Abrikossoff´s tumor, is uncommon. It is usually benign, although there are some malignant tumors reported. It can be located anywhere in the body and is believed that it has a neural origin. About 4-6% are located in the gastrointestinal tract, and one third of them, in the esophagus. It is usually an asymptomatic tumor, most of the time diagnosed in endoscopies conducted by other causes. The age of diagnosis is around 30-60 years. On gross examination, it is seen as a sessile, firm, yellowish-white mass and is located mainly in submucosa. Granulations and positivity for S-100 and diastase resistant PAS are documented in immunohistochemistry and histology. In this paper, we present a case of granular cell tumor of the esophagus with typical characteristics diagnosed in Escalante Pradilla Hospital. To our knowledge, it is the first Abrikossoff esophageal tumor reported in Costa Rica.
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