Stroke Occurring in 18 F-FDG PET/CT Session.

Weitzer, Friedrich; Pernthaler, Birgit; Stanzel, Susanne; Hassler, Eva M; Bucerius, Jan A · Clin Nucl Med · 2026

case_report · Level V

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Abstract

A 72-year-old woman was appointed for 18 F-FDG PET/CT for restaging of lung adenocarcinoma. Initial whole-body 18 F-FDG PET/CT revealed a focal hypermetabolic area in the right lung, suspicious for lung metastasis, while no abnormalities were present in the partially depicted skull. Since the patient presented with a massive headache during examination, an additionally performed cranial PET/CT scan without further tracer injection revealed an intracerebral hematoma and wedge-shaped glucose hypometabolism in the left occipital lobe. An additional contrast-enhanced cranial CT performed 45 minutes after cranial PET/CT scan revealed progressive hematoma of the complete left hemisphere, mid-line shift, and tentorial herniation.

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