Circumscribed lipoma appears as a lobulated soft tumor, more or less movable, lying beneath the skin.

It sometimes reaches enormous size and assumes the shape of a pendulous tumor.
Diffuse lipoma, occurring in the neck, often gives the patient a grotesque and peculiar appearance.

It is generally found in men addicted to the use of alcohol, and occurs between thirty-five and forty-five years of age; in no case has general obesity been described.
In one of Madelung's cases a large lobe extended downward over the clavicle.

The growth has been found between the larynx and the pharynx.
Black reports a remarkable case of fatty tumor in a child one year and five months old which filled the whole abdominal cavity, weighing nine pounds and two ounces.

Chipault mentions a case of lipoma of the parietal region, observed by Rotter.