suggested diagnoses please>?????????

[Jimmy and Helen Hamill]

my daughter is being investigated for long term recurrent fevers and has
> been referred to an immunologist......
> he has discovered her anca test is high as are her cchain reactive
proteins
> and neutrophilles.she has recently had an immunofluorescent renal biopsy
done and it was positive.
> can anyone tell me what the implications of this are??/////////