case_images: PMC2997285_01
case_images: Gross appearance of a unilocular intramural cyst located under the mucosa showing diffuse cholesterosis.
case_images: PRI2010-193535.001.jpg
case_images: PMC2997285_01_PRI2010-193535.001.jpg
case_images: fig1
case_images: Macroscopic examination of the specimen revealed a submucosal unilocular cyst, located in the neck of the gallbladder, measuring 3.5 x 2 x 1.5 cm, without communication to the lumen (Figure 1).
case_images: The cyst is lined by a pseudostratified ciliated columnar epithelium and has an underlying smooth muscle wall (HE, Original magnification is x40, inset x1000).
case_images: PRI2010-193535.002.jpg
case_images: PMC2997285_01_PRI2010-193535.002.jpg
case_images: fig2
case_images: In the microscopic examination, the cyst wall was made up of muscular tissue and it was lined by pseudostratified ciliated epithelium (Figure 2).
case_images: The cyst epithelium containing a few goblet cells (arrows) (Periodic asid-Schiff, Original magnification is x200).
case_images: PRI2010-193535.003.jpg
case_images: PMC2997285_01_PRI2010-193535.003.jpg
case_images: fig3
case_images: The epithelium contained a few goblet cells staining bright magenta by periodic acid-Schiff stain (Figure 3).
case_images: SMA expression in the cyst wall with its positive control in the vascular smooth muscle (Immunohistochemistry, Original magnification is x100).
case_images: PRI2010-193535.004.jpg
case_images: PMC2997285_01_PRI2010-193535.004.jpg
case_images: fig4
case_images: The smooth muscle wall stained with SMA immunohistochemically (Figure 4).