Adnexal Dermoid Cyst | Mature Cystic Teratoma | ORADS 2 || Ultrasound || Case 347
Adnexal Dermoid Cyst | Mature Cystic Teratoma | ORADS 2 || Ultrasound || Case 347
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Clinical Features:
A 70-year-old female patient came for a routine ultrasound scan.
Ultrasound Features:
A well-defined, thin-walled, unilocular cystic lesion of about 7.6cm X 6.4cm size, casting posterior acoustic enhancement with smooth inner margin, no papillary projection or septation is noted in the right adnexa.
A round, echogenic, sound attenuating mass is seen floating within the cyst cavity forming the ‘floating ball sign’, ‘meatballs sign’, ‘truffle sign’, ‘boba sign’ or ‘Pokemon ball sign’.
Numerous thin ‘echogenic lines & dots’ are seen within the fluid content forming the ‘dot dash pattern’ indicating the dermoid mesh.
The right ovary could not be separately visualized.
Color Doppler shows no flow within the echogenic intracystic mass.
No ascites or lymphadenopathy.
O-RADS US: 2, Color Score: 1.
Remember:
An adnexal cyst with internal echogenic components showing sound attenuation or casting acoustic shadows is a dermoid.
Check for increased vascularity & ascites to exclude malignant transformation.
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