The modern use of the term neurotic excoriations is limited to traumatic lesions produced by a person without intent to deceive. Some of these persons appear to possess normal nervous systems; most of them are more or less neurotic, and a few are hysterical. The affection is more common in females than in males. It is usually encountered between the ages of 18 and 50.
At times the excoriations may be produced by the habit of picking at every slight elevation on the skin. This picking or digging may be quite unintentional and, in mild cases, it is limited to an unconscious habit of passing the hand over the face (and the scalp, if bald) while deeply absorbed in study, locating a little follicular plug and digging with the finger nail until an excoriation is effected. In the same way the reparative crust is repeatedly removed, healing is retarded and
GEORGE M. MACKEE. NEUROTIC EXCORIATIONS. Arch Derm Syphilol. 1920;1(3):256–269. doi:10.1001/archderm.1920.02350030024002