tomophobia
noun
to·mo·pho·bia ˌtō-mə-ˈfō-bē-ə 
: intense fear of surgery or surgical procedures
We present the case of a 69-year-old … man who refused urgently indicated medical intervention because of severe tomophobia.
Marcus Schmid et al.
Marcus Schmid et al. tomophobe
ˈtō-mə-ˌfōb
noun or tomophobic
ˌtō-mə-ˈfō-bik
plural tomophobes or tomophobics
tomophobic adjective
tomophobic fears
Word History
Etymology
Greek tomḗ "act of cutting, incision" (nominal derivative from the base of témnein "to cut") + -o- + -phobia — more at tome
First Known Use
circa 1958, in the meaning defined above