CRP and microcytic anemia: The initially conducted laboratory tests showed mild microcytic anemia with borderline thrombocytosis (hemoglobin 116 g/L, reference interval (RI): 119-157 g/L; platelets 515x109/L, RI: 158-425x109/L), mildly elevated C-reactive protein (CRP) 11.5 mg/L (RI: < 5 mg/L), lactate dehydrogenase (LD) 261 U/L (RI: 130-241 U/L) and creatine kinase (CK) 293 U/L (RI: 17-153 U/L).