Related Experiment Video
Updated: May 7, 2026

Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia
Published on: September 20, 2015
Chronic Alteration in Cerebral FDG Metabolism After MRI-guided HIFU for Essential Tremor: A Clinical Case With PET
Nghi C Nguyen1, Alexander Asturias2, Fabricio Stewan Feltrin2
1Department of Nuclear Medicine, Division of Diagnostic Imaging, University of Texas MD Anderson Cancer Center.
Abstract:
A 74-year-old man with a history of monoclonal gammopathy of undetermined significance (MGUS) underwent surveillance whole-body 18 F-FDG PET 2 weeks before MRI-guided high-intensity focused ultrasound (MRgHIFU) of the left dentato-rubro-thalamic tract (DRTT) for his right-hand dominant, debilitating essential tremor. This baseline FDG PET showed normal thalamic metabolism. At 12 months post-treatment, FDG PET scan revealed a small focus of left thalamic hypometabolism, which corresponded to the left DRTT ablation area seen on post-treatment MRI. The patient was tremor-free in his right hand at 1-year follow-up. This case documents the chronic effects of MRgHIFU on cerebral FDG metabolism.
More Related Videos
05:54MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor
Published on: December 13, 2017
09:03Radiotracer Administration for High Temporal Resolution Positron Emission Tomography of the Human Brain: Application to FDG-fPET
Published on: October 22, 2019
Related Concept Videos
Magnetic Resonance Imaging
Positron Emission Tomography
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Brain Imaging
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).