We Report a case demonstrating superimposed acute renal failure associated with idiopathic rhabdomyolysis in a patient with chronic renal insufficiency. The renal function was rapidly deteriorated and the serum creatinine concentration increased
from
5.2 to 9.7 mg/dl, while she complained of extreme pain and weakness in both lower extremities at 9th hospital day without any identifiable causes. The laboratory data including increased muscle enzymes such as CK, LDH, SGOT, positive tests for
serum and
urine myoglobin, increased uptake of bone scan and pathologic findings of muscle biopsy were consistent with rhabdomyolysis. The cause of rhabdomyolysis was idiopathic, because she had no history of trauma, shock, seizure, strenous exercise, drug
or
alcohol abuse, prolonged immobilization, viral infection and severe electrolytes disturbances. After 6 sessions of hemodialysis, her renal function was recovered to previous level with improvement of clinical evidences of rhabdomyolysis.
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