Find information on medical topics, symptoms, drugs, procedures, news and more, written for the health care professional.

Ultrasound of a Breast Lump (Cyst)

Ultrasound of a Breast Lump (Cyst)
Ultrasound of a Breast Lump (Cyst)

This ultrasound of the breast of a patient with fibrocystic disease shows a cyst at the upper center. Cysts are fluid-filled sacs that are usually benign.

DR NAJEEB LAYYOUS/SCIENCE PHOTO LIBRARY