Aspiration of a Ganglion - Topic Overview
A nonsurgical method of treating a
ganglion is to drain the fluid from (aspirate) the
Your doctor can do this in the office using the
- The ganglion area is cleaned with an antiseptic
local anesthetic is injected into the ganglion area to
numb the area.
- When the area is numb, the ganglion sac is punctured
with a sterile needle.
- The fluid is drawn out of the ganglion
- The ganglion collapses.
- A bandage and, in some
cases, a splint are used for a few days to limit movement and prevent the
ganglion sac from filling again.
Treating a ganglion by draining the fluid with a needle may not
work because the ganglion sac remains intact and can fill
again, causing the ganglion to return. For this reason, your doctor may puncture the sac with the needle 3 or 4 times so the
sac will collapse completely. Even then, the ganglion is likely to
Infection after draining the ganglion fluid is a
possible complication of this procedure.
Ganglions on the wrist may return in up to 9 out of 10 people using
nonsurgical treatment, such as aspiration.1