Ganglioneuromas tend to occur in young individuals. It is uncommon in those below 10 or over the age of 40 years. In a large series, about 20% of cases involved adrenals. Grossly, the tumor is well-circumscribed and has a grayish-white to yellow cut surface with a whorled appearance resembling a leiomyoma. Thin bright yellow ribbon of adrenal cortex can be seen stretched over the tumor in this image. Image copyright: pathorama.ch.