apotemnophilia

:  an overwhelming or obsessive desire to have one or more healthy body parts and especially a limb removed by amputation … the characteristic findings of this fascinating disease clearly distinguish apotemnophilia as a unique paraphilia.—J. Bensler et al., The Southern Medical Journal, July 2003 Some physicians … have publicly asserted the need for formal investigation of the possible neurological underpinnings of apotemnophilia.—Annemarie Bridy, The Journal of Law, Medicine & Ethics, Spring 2004