Fig. 1
From: Cecal epidermoid cyst: a neonatal case with clinicopathological consideration
a A transverse sonogram shows a cyst with echogenic material, fluid, and calcification (arrows). It originated from the retroperitoneum and is located in front of the inferior vena cava and descending aorta. The size of the cyst is 4.2 × 2.3 × 4.2 cm. Contrast-enhanced fat-saturated T1-weighted MR image of transverse (b) and coronal (c) view reveal a cystic mass with air-fluid level and multiple tiny low signal intensity component. Size of cystic mass is 4.6 × 4.5 × 5.3 cm