It may be present as acute , chronic , or rapidly progressive glomerulonephritis , and may progress to chronic renal failure . It is a rare disorder, affecting 3 out of 10,000 people. It can affect both adults and children. Men may be affected slightly more often than women.
Examination is nonspecific except for edema .
Signs of acute or chronic renal failure may be present, including high blood pressure , low urine output , and fluid overload. Urinalysis may reveal blood or variable amounts of protein . Fats may be present in the urine. BUN and serum creatinine may be elevated if renal failure is present. Blood lipids may be elevated.