F-18 FDG PET/CT as a One-Stop Shop Imaging Modality for Assessment of Neurologic and Pulmonary Manifestations of COVID-19.

Neurologic manifestations are now being increasingly encountered in patients who are admitted for respiratory symptoms of COVID-19. A 67-year-old male with a recent history of Wernicke's aphasia was referred to the nuclear medicine department for risk stratification of malignancy in pulmonary nodule by 18F-FDG PET-CT scan. PET-CT revealed decreased metabolic activity in the left temporoparietal lobe of the brain consistent with recent CVA and excluded malignancy in the pulmonary nodule with low-grade metabolic activity.

Brain Death Confirmation by 18F-FDG PET/CT: A Case Series.

Objectives: Brain death is a state of irreversible loss of brain function in the cortex and brainstem. Diagnosis of brain death is established by clinical assessments of cranial nerves and apnea tests. Different conditions can mimic brain death.

Isolated aplasia of submandibular salivary gland and contralateral prominence of submandibular and sublingual salivary glands incidentally found on Ga-prostate-specific membrane antigen positron emission tomography-computed tomography.

Prostate-specific membrane antigen (PSMA)-targeted imaging is now an effective tool for the evaluation of prostate cancer patients. Although salivary glands take up Ga-PSMA avidly, pathologies of these glands may be readily noticeable. Herein, we present a case of prostate cancer referred for Ga-PSMA positron emission tomography-computed tomography in whom an isolated aplasia of the submandibular salivary gland was incidentally found.

Transient FDG-avid hilar lymph node on PET/CT imaging in asymptomatic COVID-19.

The most common features of coronavirus disease-2019 (COVID-19) pneumonia on chest computed tomography imaging are ground glass opacity and consolidation. Mediastinal and hilar lymph node enlargement are less frequently observed. Herein, we present an unexpected finding of fluorodeoxyglucose (FDG)-avid hilar lymph node in an asymptomatic patient with COVID-19, and show that this is a transient phenomenon, subsiding on a follow-up FDG-PET/CT within 10 days.

Diffuse Skeletal Uptake on F-Fluoro-2-Deoxy-d-glucose Positron Emission Tomography/Computed Tomography Scan in a Patient with Acute Lymphoblastic Leukemia: A Typical Superscan Pattern Resembling NaF Positron Emission Tomography Scan.

A 65-year-old patient with acute lymphoblastic leukemia presented for an fluoro-2-deoxy-d-glucose positron emission tomography computed tomography (FDG PET) after several courses of chemotherapy for metastatic evaluation. Unexpectedly, on FDG PET scan, no discernible uptake was observed in the visceral organs, but instead, the skeleton/bone marrow showed homogenously intense metabolic activity. The distribution of FDG observed on the scan was remarkably similar to that on the NaF PET scan, indicating a superscan appearance.

Hypermetabolic Thyroid Incidentaloma on Positron Emission Tomography: Review of Laboratory, Radiologic, and Pathologic Characteristics.

Introduction: Incidental hypermetabolic thyroid lesions on Positron Emission Tomography have significant clinical value and may harbor malignancy. In this study we evaluated laboratory, radiologic, and pathologic characteristics of incidental hypermetabolic thyroid lesions.

Materials And Methods: We evaluated 18 patients prospectively with various malignancies and hypermetabolic thyroid incidentaloma.