Detection of Recurrent Brain Tumor. Comparison of MR Registered Camera-Based and Dedicated PET Images.

The purpose of this study is to compare the quality of images and the results of camera-based and dedicated position emission tomography (PET) in the same patients with suspected recurrent or persistent brain tumor after therapy. Both PET studies were interpreted using registration with contrast-enhanced magnetic resonance imaging (MRI) studies. Twenty-three patients with 24 contrast-enhancing lesions by MRI were included.

Clinical 18F-FDG oncology patient preparation techniques.

Clinical tumor imaging with (18)F-FDG in PET is growing in demand. This article will provide a review of current patient preparation and imaging techniques. The goal is to make the PET study as noninvasive as possible for the patient while obtaining quality images.

9:15-9:30. A Clinical Evaluation of Segmented Attenuation Correction.

Segmented attenuation correction (SAC) has been introduced as a method of reducing transmission scan times without degrading the quality of PET images. Presented are the results of a clinical evaluation of a SAC algorithm implemented on the GE Advance PET system. FDG whole body patient emission scans of eight minute duration were acquired.

Pilot study of positron emission tomography in patients with advanced head and neck cancer receiving radiotherapy and chemotherapy.

Background: Positron emission tomography (PET) provides a noninvasive modality for evaluating the biochemical processes of normal and pathologic tissue. Preliminary reports of F-18 fluorodeoxyglucose (FDG) PET indicate its potential usefulness in evaluating head and neck tumors. The current study was performed to explore the relationship between changes in tumor FDG metabolism and local control in patients receiving hyperfractionated radiotherapy and concurrent chemotherapy.

An interactive, computer-based atlas of neurologic positron emission tomographic studies for use in teaching.

Recent developments in personal computer hardware and software allow the manipulation of radiologic images. We developed an interactive, computer-based atlas of clinical neurologic positron emission tomographic studies for use as an educational resource. A personal computer and multimedia software were used to assemble the clinical case studies.