Giant heterotopic gastric polyp in the jejunum.

Polypoid lesions composed of gastric mucosa in the jejunum are rare. The vast majority of cases of ectopic gastric tissue occur in the duodenum. In this article, we present a case of heterotopic gastric mucosa forming a giant polyp in the mid jejunum. A review of the literature is presented, and the clinical and pathologic features of this unusual lesion are discussed.