apotemnophilia

noun2

1. •
   A psychological disorder characterized by the intense and long-standing desire for amputation of a specific limb.
2. •
   A compulsion to become, or appear to be, an amputee.

   • This paper seeks to present information on apotemnophilia. It points out the need of a man to have a healthy leg amputated, despite the fact that he cannot find a surgeon who will do so. — 1983