Ovarian cysts, which are small fluid-filled sacs that develop in or on the ovaries, are very common and are usually harmless.

The irregular inner wall (open arrow) and internal echos (curved arrow) are clues that the lesion is not a simple benign cyst. Transabdominal ultrasound shows a mass (arrows) in the right lobe.

The differential diagnoses for CRCC include RCC with cystic change, hereditary leiomyomatosis manifesting as a cystic renal lesion, cystic nephroma, clear cell papillary RCC, and other cystic ...

Although a thorough history and radiographic findings often suggest a particular diagnosis, endoscopic ultrasound-guided (EUS ... Typical imaging characteristics include a well circumscribed cystic ...

These masses are not ... blood studies and ultrasound findings are usually sufficient to distinguish simple cysts from other less-common lesions that can appear cystic. Occasionally, a CT scan ...