25-year-old female:
* On ultrasound, a large pelvic mass was found.
* CA-125: 24 U/ml
* Risk of ovarian malignancy algorithm (ROMA): 6.6%
* CT imaging was acquired.
What is the most likely diagnosis?
Dermoid cyst/mature cystic teratoma
Which component is diagnostic of this lesion?
Fat content
What sign can be seen on the 2nd image?
Floating ball sign/pokemon ball sign
References:
A fat-fluid level is present with a ball of debris in the center. Calcification can also be seen
ovarian mature cystic teratoma (dermoid cyst)