Abstract
Cystic lesions of the gallbladder are very rare and they are generally lined by single columnar or mucinous epithelium. A ciliated cyst of foregut origin is extremely rare in gallbladder. To our knowledge, only five cases have been reported so far. Here, we present the sixth case found incidentally in ultrasonographic examination in a 41-year-old woman suffering from chronic right upper quadrant pain. Laparoscopic cholecystectomy was performed for the gallstones and a benign appearing cyst in ultrasonography. Macroscopically, a submucosal unilocular cyst was located in the neck of the gallbladder. There was no communication with the lumen. Histologically, the cyst was lined by pseudostratified ciliated epithelium containing goblet cells and had a muscular wall. The postoperative course was uneventful. Patient was discharged on the second day of the operation and was well after 2 months.
Highlights
Ciliated foregut cyst is an uncommon developmental anomaly that usually develops above the diaphragm in the form of bronchial and esophageal cysts
Ciliated foregut cysts are congenital cysts arising from the remnants of the embryonic foregut and are extremely rare in the gallbladder
Kakitsubata et al firstly described a gallbladder cyst lined by a single layer of ciliated columnar epithelium with a fibro-muscular wall and used the term “epithelial cyst of the gallbladder” in 1995
Summary
Ciliated foregut cyst is an uncommon developmental anomaly that usually develops above the diaphragm in the form of bronchial and esophageal cysts. Foregut cysts below the diaphragm are very rare and generally found in the liver [1]. Only five cases of ciliated foregut cyst of the gallbladder were reported so far [2,3,4,5,6]. We report the sixth case in literature
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