apotemnophilia
noun
°A compulsion to become, or appear to be, an amputee.
"{{quote-journal|1983|W. Everaerd|A case of apotemnophilia: a handicap as sexual preference|American Journal of Psychotherapy|url=http://www.ncbi.nlm.nih.gov/pubmed/6869634|volume=7|issue=2|page=285"