What is hypoechoic nodule?By Community Writer | Community.Drprem.com / November 12, 2011 I recently had an ultrasound which says there is a 1.5 cm nodule which is hypoechoic. I have no idea what is hypoechoic nodule? There is also an enlarged gallbladder with no sign of stones. Is there something serious going with me? Today's Top Articles: