case_images: PMC2800006_01
case_images: Upper gastrointestinal endoscopic finding. A 10 mm sized hemispheric shaped elevated lesion with central erosion on the lesser curvature side of the distal antrum near the pylorus.
case_images: jkms-25-152-g001.jpg
case_images: PMC2800006_01_jkms-25-152-g001.jpg
case_images: F1
case_images: Central erosion was noticed on the surface of the lesion due to previous biopsy (Fig. 1).
case_images: Colonoscopic finding. It shows a large round mass on the cecal end with positive tent sign.
case_images: jkms-25-152-g002.jpg
case_images: PMC2800006_01_jkms-25-152-g002.jpg
case_images: F2
case_images: This lesion revealed positive tent sign suggesting a cystic change (Fig. 2).
case_images: Microscopic finding. In low power view, this mass-like lesion is consists of a localized area of hypertrophic circular muscle (H&E stain, x12.5).
case_images: jkms-25-152-g003.jpg
case_images: PMC2800006_01_jkms-25-152-g003.jpg
case_images: F3
case_images: Histological section revealed marked hypertrophy of the distal circular pyloric musculature without an evidence of neoplasia (Fig. 3).
case_images: Gross finding. Abundant mucoid material is present within the lumen of the appendix.
case_images: jkms-25-152-g004.jpg
case_images: PMC2800006_01_jkms-25-152-g004.jpg
case_images: F4
case_images: Appendiceal mass was diagnosed as mucinous cystadenoma after the surgical resection (Fig. 4).