Palpable purpura is caused by
palpable purpura is due to deposition of immune complexes at the site, seen in HSP,Ahritis, gut vasculitis,glomerulonephritis, bacterial endocarditis, gonococcaemia,meningococcaemia and rocky mountain spotted fever. Page no.309. Reference IADVL's concise textbook of dermatology
HSP
PAN
Microscopic polyangitis
All of the above
Autoimmune skin disorders