Disseminated Nocardia farcinica Infection and Treatment Response on F‑18 Fludeoxyglucose Positron Emission Tomography Computed Tomography

We report a rare case of nocardiosis with increased F‑18 Fludeoxyglucose (F‑18 FDG) uptake in widespread abscess foci of Nocardia farcinica infection in an immunocompromised patient on positron emission tomography computed tomography (PET/CT) imaging. A relatively infrequent cause of nocardiosis, N. farcinica is an opportunistic infection that may present with clinically aggressive disseminated disease. Whole‑body F‑18 FDG‑PET/CT allows identifying the extent of disease, as well as monitoring response to therapy in patients with nocardiosis especially the disseminated form.