title: Clinicopathological conference. Renal failure without obvious cause.
mesh_terms: D003937:Diagnosis, Differential; D005921:Glomerulonephritis / Q000175:diagnosis; D006801:Humans; D007668:Kidney / Q000473:pathology; D007676:Kidney Failure, Chronic / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000175:diagnosis*