__ sonographic appearance:
* very depending on elements
* cystic mass
* complex mass
* fluid/fluid level
* āplugā - echogenic mass within a cyst (caused by hair, teeth, or fat)
* ātip of the icebergā - very echogenic anterior component and a posterior shadow (due to the high attenuation of the calcified materials within)
* āmeshā - small hyperechoic lines/dots within a cyst (caused by small hairs within the cystic fluid)