Objective:Probing the clinical characteristic

ARF caused by MM.Method:Reviewing the diagnostic process and evolution of 16 MM patients in recent 10 years

which reflected as ARF at first and be diagnosed as MM at last.Result:ARF could be the prime symptom.Bence-Jones proteinuria

protein electrophoresis

X-ray to the bone have low positive finding in MM diagnose

pathological examination is directly diagnostic method.Conclusion:Diagnosing ARF patients

whose cause of disease is unclear

we should think of MM

and pathological examination is necessary

so we could cure these patients better.