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…
A 39-year-old man presented with a 2-cm, mildly tender mass in the right breast of many years' duration. Microscopic examination showed a syringocystadenoma papilliferum. Because of its location in the breast, we studied the lesion for…