Gynaecology & Obstetrics Endometriomas on ultasound appear as A Solid with diffuse internal low-level echoes. B Solid with focal internal low-level echoes. C Cystic with diffuse internal low-level echoes. D Cystic with focal hyperechoic internal echoes. 💡 Explanation Endometriomas on ultasound appear as ✓ Correct Answer: C. Cystic with diffuse internal low-level echoes.