Positron Emission Tomography with Computed Tomography in Evaluations of Classical Fever of Unknown Origin and Length of Hospitalization: A 10-Year Medical Record Review of a Tertiary Hospital.

Most patients with FUO were aged 50 - 60 years, and their family and work roles were crucial. A lower LOS may benefit both the patients' families and society at large. Interestingly, PET/CT may contribute to shortening the LOS during FUO evaluation when the causes are neoplastic, by approximately 24 days.