Computer-aided diagnoses of chronic head pain: explanation, study data, implications, and challenges.

The differential diagnosis of diseases and disorders having head pain as a symptom is often a difficult challenge for health care professionals. The complexity of this problem, the need for computer aided diagnosis, and the assumptions upon which one diagnostic software program was developed are discussed. A database driven user-oriented Internet website was offered at no charge to headache sufferers, and this vehicle provided the data source for research.