itself is harmless, but the pressure it can exert on the skin or any surrounding nerve
can cause pain, especially when the ground or a shoe rubs against it.
Effective treatment involves draining the cyst with a needle, and injecting a steroid
compound into the cyst to help destroy the cyst's capabilities to regenerate.
It is always best to have any foot lumps or masses evaluated by a podiatrist or other physician to ensure that they are benign.
I do hope that you have found something helpful and Informative.