dumbbell ganglioneuroma

dumb·bell gan·glio·neu·ro·ma

a ganglioneuroma in which the gross configuration resembles a dumbbell, for example, two spheroidal masses connected by a narrow portion, usually the result of the neoplasm being somewhat molded by a resistant structure such as two ribs.
References in periodicals archive ?
Bilateral and symmetric C1-C2 dumbbell ganglioneuromas producing severe spinal cord compression.