Fig. 2
Typical CT / X-ray imaging manifestation (case 2). A 51 years old male with general muscle ache and fatigue for 1 week, fever for 1 day (39.1 ℃), anemia. Laboratory test: normal white blood cells (9.24 × 109/L), lymphocytes percentage (5.1%), decreased lymphocytes (0.47 × 109/ L), decreased eosinophil count (0 × 109/L), increased C-reaction protein (170.91 mg/L), increased procalcitonin (0.45 ng/ml), increased erythrocyte sedimentation rate (48 mm/h). Imaging examination: a shows patchy shadows in the outer region of the left lower lobe, b shows large ground-glass opacity in the left lower lobe, and c shows subpleural patchy ground-glass opacity in posterior part of right upper lobe and lower tongue of left upper lobe, d shows large ground-glass opacity in the basal segment of the left lower lobe