2 doctors weighed in:

What causes ganglion cysts to develop on the inside of 1st joint of the middle finger?

2 doctors weighed in
Dr. Steven Brown
Surgery - Hand Surgery
1 doctor agrees

In brief: A2 pulley

Ganglions can develop at the edge of the a1 or a2 pulley of the flexor tendons.
Ganglions are synovial cysts arising from a tear or opening in the tendon sheath. Synovial tissue causes cyst to form and emerge from the tear that results from over use or trauma.

In brief: A2 pulley

Ganglions can develop at the edge of the a1 or a2 pulley of the flexor tendons.
Ganglions are synovial cysts arising from a tear or opening in the tendon sheath. Synovial tissue causes cyst to form and emerge from the tear that results from over use or trauma.
Dr. Steven Brown
Dr. Steven Brown
Thank
Get help from a real doctor now
Dr. Bennett Machanic
Board Certified, Neurology
49 years in practice
55M people helped
Continue
108,000 doctors available
Read more answers from doctors