lipoatrophy

noun

li·​po·​at·​ro·​phy ˌlip-ō-ˈa-trə-fē 

plural lipoatrophies

: loss of subcutaneous fat (such as that occurring from subcutaneous injections especially of insulin or corticosteroids or from long-term use of protease inhibitors in the treatment of HIV)

Note: Lipoatrophy may be localized to a single part of the body (as the face, arms, or legs) or may be more generalized affecting most of the body.

lipoatrophic

-(ˈ)ā-ˈtrō-fik 

adjective