This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiology Q Bank, Subject name: Radiology
Snowstorm appearance on ultrasonogrpahy is seen in- 
Select and explain. 
A. Hydatid cyst, B. Pyogenic liver abscess, C. Ectopic pregnancy, D. Molar pregnancy
D: Molar pregnancy
Answer: D: Molar pregnancy 
Explanation: * Hydatid cyst - shows Water lily sign or camalotte sign * Ectopic pregnancy - Shows Ring of fire appearance * Molar pregnancy - shows Snowstorm appearance * Snowstorm sign: Complete hydatiform mole (USG) * Snowstorm sign: Extracapsular breast implant rupture (USG) * Snowstorm sign: Thyroid pulmonary metastases (Chest radiograph) * Snowstorm sign Ascites-meconium peritonitis