Article · Volume 5, Issue 1 · pp. 10–12

Duplication Cysts in the Oesophagus and Pylorus of a Juvenile Grey Seal (Halichoerus grypus): A Case Report

Andrew Y Kushnir¹, Tiffany Ng¹, David Kilroy¹, Hanne Jahns¹

¹School of Veterinary Medicine, Univer- sity College Dublin, Belfield, Dublin 4, IRELAND.

Abstract

Duplication cysts of the gastrointestinal tract in mammals are rare congenital anomalies that arise during embryonic development. Finding these cysts in a juvenile Grey seal is also a rare observation. We report here a coincidental finding of two gastrointestinal duplication cysts in a 4-week-old female Grey seal, which was found on a beach on the East coast of Ireland. Gross anatomical features of the esophagus and pylorus together with the histological features of the cyst are presented.

Keywords: Seal; Stomach; Cyst; Gastrointestinal tract; Gross Anatomy

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