Muscle biopsy results show both autoimmune process and genetic muscle disease, please advise?

I have a muscle biopsy result and my doctor told me that the biopsy confirmed elements of both autoimmune process and genetic muscle disease, I do not know what it is the kind of the genetic muscle disease? I need help. The biopsy states that I have a mild necrotizing myopathy with rare small groups of degenerating and regenerating myofibers and increased MHC-1 staining. In addition, there is mild type 2 fiber atrophy. MAD and PFK staining is present.

Age: 24
Female
Medications: No
General Information: Ck elevation