Definition of Ganglioneuroma:

Ganglioneuroma is a tumor of the peripheral nervous system.

Causes, incidence, and risk factors:

Ganglioneuromas are rare tumors that most frequently start in the autonomic nerve cells, which may be in any part of the body. The tumor are usually noncancerous (benign).

Ganglioneuromas usually occur in people ages 10 to 40. They grow slowly, and may release certain chemicals or hormones.

There are no known risk factors. However, the tumors may be associated with some genetic problems, such as neurofibromatosis type 1.