2003 Volume 56 Issue 2 Pages 74-79
A 75-year-old female consulted a family doctor with left hip mass at November 2001. She was introduced to our hospital to close examination. Left hip mass is elastic hard, baby hand size, and surround 3/4 laps of anal canal in physical. Ultrasonography, CT (pelvis) and MRI (pelvis) revealed multiple tasseled cysts. The contrast shadow was seen only the partition of cysts in CT and MRI. Aspiration cytology was class II.Opere-tion was done with a diagnosis of Presacral Epidermoid cyst. Epidermoid cyst adhere to tail bone very hard. Presacral Epidermoid cyst was developed from tail bone, and spreeds on a large size to surround of anal canal.
