Table 1.

CT findings that may constitute a “suspicious finding”

Cause of fever	CT finding
Infectious disease
Lung	Centrilobular nodules/branching structures Segmental distribution Airspace consolidation Ground-glass opacity Pulmonary nodules Cavitation
Mediastinum	Abscess Fat stranding Pleural thickening Pleural effusion
Abdomen/pelvis	Abscess Enlargement of an organ Disproportionate fat stranding Abnormal intraabdominal fluid
Carcinoma-related fever	Rapid increase or enlargement of the tumor Necrosis of the tumor Rupture of the tumor
Other	Neither infectious disease nor carcinoma-related fever (i.e., vasculitis, autoimmune disorders)

CT computed tomography