fdg pet and pet ct imaging

... CT; "PEToutCT" is the volume identified by PET but not by CT; "CToutPET" is the volume identified by CT but not by PET; "CT &PET" is the common volume of PET and CT Results Tumor staging PET/ CT ... PET (PET- GTV), and PET/ CT images (PET/ CTGTV) The PET/ CT- GTV included both PET and CT information The clinical target volume (CTV), for treatment purpose, was identified as the PET/ CT- GTV with an ... PET/ CT- GTV PEToutCT CToutPET CT &PET 26.0 5.5 8.1 11.2 5.0–78.7 0.0–21.2 0.7–28.0 0.4–36.2 15.9–36.2 2.4–8.7 4.4–11.8 6.2–16.2 Abbreviations: PET/ CT- GTV: the composite volume between PET and CT; ...

Ngày tải lên: 09/08/2014, 09:22

... tumors before and after therapy was performed by independent PET and CT readers PET and CT images were also merged (fusion analysis) for functional and anatomic correlation CT -PET images were ... cancers and small cell cancers) treated with radiotherapy with pretreatment dedicated contrast CT, F-18 FDG PETCT and post-treatment PET- CT were included Baseline pre-radiotherapy PET- CT was performed ... reduc- Table 2: CT and local control status Table 3: PET and local control status N = 20 CT Response CT non-response Local control Local failure 12 N = 20 Local control PET Response 17 PET non-response...

Ngày tải lên: 09/08/2014, 10:21

... results of the PET/ CT and CT studies showed completely concordant findings and no additional foci were detected by PET/ CT Of these 16 patients, 2/16 were in the first group, 12/16 in Group and 2/16 ... had compatible PET/ CT and CT results In the other half of these patients PET/ CT gave more accurate results than thoracoabdominal CT examinations In 1/2 of these patients, PET/ CT showed increased ... anatomic imaging tools But the role of 18F-Fluorodeoxyglucose (FDG) -PET/ CT in the diagnosis of distant lymph node, bone or lung metastasis is uncertain [8] 18F -FDG- PET is a functional imaging...

Ngày tải lên: 09/08/2014, 02:20

... months FDG PET / CT was performed, and resection specimens of lung and thyroid were detected by hematoxylin eosin staining (HE) and IHC PET / CT: lung tumor SUVmax: 3.69, delay: 5.17; and thyroid ... effective therapeutic approaches can be designed and conducted Background Early detection and correct diagnosis are essential for definite treatment and better outcome of cancer patients FDG PET/ CT ... [18F]-2-fluoro-2-deoxy-D-glucose-positron emission tomography/ X-ray CT (FDG PET / CT) with surgical specimens immunohistochemistry(IHC) We report a patient with abnormal FDG PET / CT in thyroid and lung, this unusual presentation...

Ngày tải lên: 09/08/2014, 02:21

... sensitivity and specificity of FDG- PET/ CT were 60% and 91% The positive predictive value and negative predictive value of the FDG- PET/ CT was 75% and 83% Jeong HS et al [21] showed that the FDG- PET/ CT ... advantages of the FDG- PET/ CT over FDG- PET include anatomic localization of focal uptake and evaluation of CT characteristics of the thyroid lesions detected on the FDG- PET/ CT Choi et al [1] reported ... data were expressed as mean ± standard deviation (SD) Results Figure Diffuse FDG uptatake on PET/ CT Diffuse FDG uptatake on PET/ CT 53 year old male The 18F -FDG PET/ CT revealed diffuse uptake with...

Ngày tải lên: 09/08/2014, 04:21

... = 1.2 × 10-4) and CT- CTV (p = 2.9 × 10-4) respectively PET/ CT- GTV and PET/ CT- CTV, that were used for clinical purposes, were significantly greater than CTGTV (p = × 10-5 ) and CT- CTV (p = × 10-5) ... patients after PET/ CT imaging [13] In our series, the GTVs and the CTVs detected by CT alone and by PET/ CT images were analyzed in details and compared The contours outlined on PET/ CT imaging were ... 3.7% GTV and CTV contours changed in 55.6% and 37.0% of cases respectively PET/ CT- GTV and PET/ CT- CTV, that were used for clinical purposes, were significantly greater than CTGTV and CT- CTV These...

Ngày tải lên: 09/08/2014, 08:22

... image overlays, fusion of PET and CT images, and PET/ CT simulation Since there is less co-registration error between PET and CT using the same DICOM coordinates, PET/ CT simulation is a promising ... least hours before 18 F -FDG PET/ CT imaging Approximately 60 minutes after the administration of 370 MBq of 18F -FDG, simulation images were taken by PET/ CT scanner (PET/ CT1 6 slice, Discovery STE, ... attenuation correction and iterative reconstruction algorithm Immediately after whole body PET/ CT images, patients were simulated in a RT set-up position on the PET/ CT scanner table with a head and neck...

Ngày tải lên: 09/08/2014, 09:20

... volumes [3,4] The potential roles of PET/ CT in radiooncology are (1) patient selection for treatment and (2) target volume selection and delineation, because PET/ CT with radiolabelled choline (C11-choline, ... Survival FEC -PET/ CT The PET/ CT- studies were positive in 24/26 cases In primary cancer, one patient had bone metastases and bladder infiltration, and one had FEC-uptake in the prostate gland and pelvic ... received PET/ CT- planned IMRT to the prostate gland, seminal vesicles and pelvic lymph nodes of 45 Gy with a boost to the PET/ CT positive seminal vesicle and lymph nodes of 55.8 Gy at 1.8 Gy per fraction...

Ngày tải lên: 09/08/2014, 09:20

... scan and CT two months earlier were negFigure ative FDG PET- CT images demonstrate multiple necrotic hepatic metastases while bone scan and CT two months earlier were negative Figure FDG PET- CT ... whole body FDG- PET may be helpful for detection of metastasis and therefore change patient's management Figure imaging PET- CT1 Maximum intensity projection (MIP) of the whole body FDG Maximum ... Maximum intensity projection (MIP) of the whole body FDG PET- CT imaging There is intense uptake in the prostate tumor with invasion and infiltration to the bladder wall Multiple FDG- avid metastatic...

Ngày tải lên: 09/08/2014, 07:21

... mG3) zu unterscheiden, die aus der PET- Bildgebung abgeleitet wird 2.3 FDG PET/ CT Die PET/ CT- Aufnahmen wurden in beiden Kliniken mit dem gleichen Biograph PET/ CT (Siemens, Medical Solution Inc., ... Aufbau eines PET/ CT- Scanners Die heutigen Hybridgeräte enthalten sowohl ein PET als auch ein CT (Mohnike et al., 2011; Abb modifiziert nach: Mohnike et al., 2011) Die heutigen PET/ CT- Scanner der ... eine individualisierte Behandlung ermöglichen Diese Arbeit beschäftigt sich mit der FDG- PET/ CT als molekulare Ganzkörper-Bildgebung Der Tracer FDG ermöglicht mittels PET die Darstellung der glykolytischen...

Ngày tải lên: 26/11/2015, 10:18

... physiologic and in Figure Biodistribution of FDG Coronal PET, PET/ CT fusion, and CT images demonstrating prominent subcutaneous white adipose tissue metabolic activity throughout the thorax, abdomen, and ... [http://glucosesafety.com/uk/pdf/MDA-2007-058% 20updated.pdf] 14 Kaufmann PA, Di Carli MF: Hybrid SPECT /CT and PET/ CT imaging: the next step in noninvasive cardiac imaging Semin Nucl Med 2009, 39:341-347 15 Kirrane BM, Duthie EA, ... of Figure Results of repeated study on biodistribution of FDG Coronal PET and PET/ CT fusion images demonstrating normal distribution of FDG in the study performed the following day when normoglycemic...

Ngày tải lên: 21/06/2014, 02:20

... anesthetic agent and carrier gas on blood glucose and tissue uptake in mice undergoing dynamic FDG- PET imaging: sevoflurane and isoflurane compared in air and in oxygen Mol Imaging Biol 2008, ... therapy using FDG PET: semi-quantitative and full kinetic analysis Eur J Nucl Med Mol Imaging 2011, 38:832-842 18 Flores JE, Mcfarland LM, Vanderbilt A, Ogasawara AK, Williams S-P: The effects of anesthetic ... tumor FDG uptake have been demonstrated in multiple settings (see Figures and 2, [2-6]), and this effect was to be expected based on the biochemistry of glucose (and tracer) transport and trapping...

Ngày tải lên: 21/06/2014, 17:20

... that PET- CT could accurately detect nodal disease in the staging of head and neck cancer patients Furthermore, several studies have already shown that adding PET- FDG or PET/ CT -FDG to standard ... lymphadenopathy and RPLN status via pretreatment PET- CT imaging Materials and methods Institutional Review Board approval was obtained before initiating this retrospective chart review A hundred and one ... as routine imaging of head and neck squamous cell carcinoma [21] Additionally, our study highlights the importance and usefulness of pre- treatment PET- CT in detecting RPLN status and its role...

Ngày tải lên: 09/08/2014, 03:22

... Figure CT, (d) coronal PET- CT Representative image of a patient with CT- and PET- CT based GTV delineations; (a) axial CT (b) axial PET- CT, (c) coronal Representative image of a patient with CT- and ... with CT- and PET- CT based GTV delineations; (a) axial CT (b) axial PETCT, (c) coronal CT, (d) coronal PET- CT *Abbreviations: GTV = gross tumor volume; CT = computed tomography; PETCT = positron ... stage II and III MPM, and the authors reported accuracy of 77% for CT, 86% for PET, 80% for Magnetic Resonance Imaging (MRI), and 100% for PET- CT in patients with stage II disease, and accuracy...

Ngày tải lên: 09/08/2014, 10:20

... second-generation multitarget TKI that directly inhibits the kinase activity of KIT and PDGFRA receptors and also BCR-ABL, PDGFRA and KIT [8] Nilotinib has been shown to be active in a small series of patients ... anaesthesia (sevofluorane 3-5% and oxygen l/min) FDG was injected into a tail vein FDG uptake was evaluated by standard uptake value (SUV)/tumor background ratio (TBR) PET scans were Pantaleo et ... size and function This experiment used the model to study the antitumor activity of drug combinations, TKIs and m-TOR inhibitors [23] We studied the activity of everolimus as a new single agent and...

Ngày tải lên: 10/08/2014, 10:20

... counts' noise bias effect; 6) time of SUV evaluation; 7) competing transport effects; and 8) body size Factors obtained in small phantom data allow observed ROI activity to be corrected to that truly ... together irrespective of pathology (n = 4), malignant nodules (n = 4) and benign nodules (n = 4) The SUVmax with standard deviation and range, and SUVmean with standard deviation and range of each ... other, particularly for group and group The averages of the SUVmax of group and group were 3.03 and 5.28 for MC-1, respectively, and 3.3 and 5.43 for MC-2, respectively In addition, overall accuracy...

Ngày tải lên: 10/08/2014, 22:20

... www.nhspetctdiagnosticimagingservice.com liên hệ với theo địa đây: Đường dây thông tin Bệnh Nhân: 0845 600 2953 Fax: 0845 600 2954 Email: infopetct@inhealthgroup.com Để biết thêm thông tin chụp PET/ CT, ... 48 kết gửi tới bác sỹ bạn , người giới thiệu bạn chụp PET/ CT Nhân viên phòng chụp PET/ CT đưa kết chụp cho bạn Thông tin quan trọng Liều 1 8FDG (gluco dạng phóng xạ) có thời gian bán hủy ngắn để ... 1 8FDG (liều gluco dạng phóng xạ nhẹ) vào tĩnh mạch cánh tay bạn Bạn nghỉ khoảng trước chụp Sau đó, bạn mời vệ sinh chụp X quang kéo dài khoảng 30 phút Sau chụp, bạn tự rời khỏi phòng chụp PET/ CT...

Ngày tải lên: 16/01/2014, 22:20

... CT Imaging and Analysis (Chapters 10 to 14) Part 5: CT Imaging and Analysis for Non-Medical Applications (Chapters 15 and 16) Parts to are devoted to theories and applications of CT imaging and ... Costes, Thierry Gillart and Jean-Jacques Lemaire Chapter 14 Synchrotron Radiation Micro -CT Imaging of Bone Tissue 233 Zsolt-Andrei Peter and Françoise Peyrin Part CT Imaging and Analysis for Non-Medical ... volumetry and contrast impregnation and the fusion of the images obtained by CT and positron emission (PET/ CT) The computerized methods for aiding detection and diagnosis, central object of this...

Ngày tải lên: 28/06/2014, 06:20

... accompanied by FDG uptake were started on induction chemotherapy without operation Previous studies reported that FDG- PET, and not PET/ CT, was more sensitive than CT scanning for detecting primary ... FDG- PET CT With respect to preoperative PET/ CT as a tool for surgical strategy decisions, the present study uncovered several relevant results Using the semi-quantitative feature of FDG- PET/ CT, ... asymptomatic and undetectable by CT scanning Contrary to above usage of PET- CT in gastric cancer, we focused on the prediction of surgical finding through the result of preoperative PET- CT The results...

Ngày tải lên: 09/08/2014, 03:22

... dual-modality PET/ CT is able to detect more primary tumors than PET, CT and PET and CT side-by-side in the diagnosis of carcinoma of unknown primary with less patient radiation exposure [24] PET/ CT can ... [21] PET/ CT is still in its Figure No extracranial FDG- avid lesions to suggest malignancy are seen by PET/ CT No extracranial FDG- avid lesions to suggest malignancy are seen by PET/ CT A) PET/ CT, ... or CT alone, or visually correlated PET and CT Furthermore, PET/ CT frequently provides statistically significant improvements over PET or CT alone in staging and restaging of different cancers...

Ngày tải lên: 09/08/2014, 07:21