Initial laboratory investigations revealed a WBC count of 14,900
cells/μL, hemoglobin of 8.7 g/dL, BUN of 75 mg/dL, creatinine of 5.3
mg/dL, creatine phosphokinase of 20,000 IU/L, and myoglobin of 30,620
g/L. A urinalysis revealed a large amount of hemoglobin, protein>
300 mg/dL, and no RBCs; results of the leukocyte esterase and
nitrite tests were negative. A radiograph of the right thigh and a CT
of the pelvis were performed (Fig 1).