DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Synovial cyst and fluid on the finger of a 70- year-old woman. The cyst is filled with synovial fluid from the finger joint. Most synovial cysts are painless, but movement of the finger may be restricted. Treatment involves draining the cyst (seen here).
Model release available. Property release not required.