Classification of intramucosal cysts of the stomach

The occurrence of intramucosal cysts in the mucosa of resected stomachs was recorded in 91 consecutive patients having synchronous focal (elevated) dysplasia and/or adenocarcinoma elsewhere in the stomach. Intramucosal cysts were classified into foveolar cysts, pyloric gland cysts, fundic gland cysts, intestinal metaplastic cysts and ciliated-cell cysts. The most common type was intestinal metaplastic cyst, which was present in 60% of the patients.