<prompt> Hydatidiform mole in USG appear as:-Snowstorm patternSnow driven patternCotton woolPolka Dot sign  <response>: USG showing snowstorm appearance of Hydatidiform mole Polka dot sign - Thickened trabeculae in a veebral body hemangioma, as seen on axial computed tomographic CT The cotton wool appearance - plain film sign of Pagets disease of bone Snow driven appearance - the calcifying epithelial odontogenic tumor CEOT, also known as a Pindborg tumor 