By Sally Barrington
Positron Emission Tomography (PET) is now firmly verified as a useful procedure for diagnosing and tracking ailment. the second one variation of this accomplished medical atlas will proceed to provide the mixed event of 2 of the world's major puppy centres because the method has moved on from its adolescence to achieve verified worth in medical perform. The publication has been considerably rewritten to take account of the fascinating advancements which are taking place with the creation of PET/CT, and new ‘state-of-the-art’ PET/CT photographs are awarded. the hot variation remains to be provided as a chain of 'mini-lectures' rigorously designed for quick assimilation, illustrated through case histories within which fine quality illustrations are supplemented by means of transparent concise instructing issues and instructions for additional reading.
Part One presents a great advent to the technological know-how and perform of puppy and monitors common editions and discusses capability pitfalls. partly , the functions of PET/CT in oncology are coated intimately, in line with physique approach so as in their medical significance. half 3 examines the functions of PET/CT past oncology; in neuropsychiatry, cardiology and infection.
A necessary extra function is the accompanying DVD-Rom with HERMES speedy software program, which incorporates PET/CT situations for viewing and research, with cross-modality photograph fusion, and has been supplied through Hermes scientific Solutions.
Atlas of medical Positron Emission Tomography is a useful source for nuclear drugs experts, radiologists and oncologists, either in education and in perform.
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Additional info for Atlas of Clinical Positron Emission Tomography 2nd Edition
All quantification performed in PET is subject to the limitations imposed by poor spatial resolution, which manifests itself as the ‘partial volume effect’. 17. For objects of diameter equal to the spatial resolution the maximum apparent activity concentration will be less than 50 percent of the true value, and quantification of uptake for small objects must be treated with great caution. • ROI placement. Since tumors often have heterogeneous distributions of tracer uptake, SUVs are generally evaluated for the hottest part of the tumor, which is assumed to be the most malignant.
In practice quantification usually refers to the much simpler standardized uptake value (SUV), which provides an index of tracer uptake that can be compared between patients and between scans. While SUVs are usually used to quantify uptake of FDG in oncology studies, the basic principle can readily be applied to other tracers and disease. The SUV is defined as follows: SUV = Tracer uptake (MBq/mL) Administered activity (MBq)/(Patient weight (kg) × 1000) Tracer uptake is determined from a small region of interest placed over the tumor in an attenuation-corrected image, and a scanner calibration factor is required to convert the value measured from the image into MBq/mL.
Note the patient has had a right mastectomy. 10 Abdominal hernia PET/CT findings: Note uptake in a large abdominal hernia in this patient. 11 Bowel stoma (a) (b) PET/CT findings: Uptake is commonly seen in bowel stoma, in this case the patient had a defunctioning ileostomy (a, b) while undergoing chemoradiotherapy for rectal cancer. A liver metastasis is seen on the coronal image (a). 12 Ovarian uptake PET/CT findings: There is uptake in the left ovary. Increased uptake may be seen in premenopausal women without ovarian malignancy, usually at mid-cycle.
Atlas of Clinical Positron Emission Tomography 2nd Edition by Sally Barrington