pet ct guided interventional radiology procedures

Tài liệu Tìm hiểu cách thức về việc chụp PET/CT docx

Ngày tải lên : 16/01/2014, 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, ... việc chụp kiểm tra lại vòng 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 18FDG (gluco dạng phóng xạ) có ... quang kỹ thuật viên y tế hạt nhân giải thích quy trình chụp cho bạn Đừng ngại hỏi câu hỏi chụp PET/ CT vào thời điểm Một nhân viên X quang kỹ thuật viên y tế hạt nhân tìm hiểu chút bệnh sử bạn để...

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báo cáo khoa học: "The role of 18F-FDG-PET/CT in the preoperative staging and posttherapy follow up of gastriccancer:Comparison with spiral CT" docx

Ngày tải lên : 09/08/2014, 02:20

... respectively PET/ CT and Spiral CT All spiral thoracoabdominal CT examinations were performed with oral and i.v contrast agents PET/ CT imaging was done using the GE Discovery ST- slices scanner PET ... 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 ... undergone PET/ CT in the posttherapy follow up A total of 30 PET/ CT scans were performed to these patients When these scans were analysed on the lesion basis, the overall compatibility of CT and PET/ CT...

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báo cáo khoa học: "Concomitant pulmonary and thyroid tumors identified by FDG PET/CT and immunohistochemical techniques" ppt

Ngày tải lên : 09/08/2014, 02:21

... with coughing three 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: ... [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 ... 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...

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Báo cáo khoa học: "PET-CT staging of the neck in cancers of the oropharynx: patterns of regional and retropharyngeal nodal metastasis" potx

Ngày tải lên : 09/08/2014, 03:22

... confirming 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 ... 0.2961) in the T stage of subjects with upstage compared to those who were not upstaged by PET- CT However, there was a trend toward overall nodal upstaging by PET- CT scan when compared to clinical ... T4) have significantly higher odds of being RPLN positive by PET- CT scan Shimizu conducted a study where RPLNs were electively dissected in cases where the Tauzin et al World Journal of Surgical...

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Báo cáo khoa học: "The efficacy of preoperative PET/CT for prediction of curability in surgery for locally advanced gastric carcinoma" ppsx

Ngày tải lên : 09/08/2014, 03:22

... the patients for preoperative PET/ CT, and then collected their preoperative staging data and surgical results for this retrospective study PET/ CT imaging Before PET/ CT scanning, all patients fasted ... mm-thick sections) prior to PET PET was then immediately conducted over the same body region with 6-8 bed positions, with acquisition time per bed position Interpretation of PET/ CT PET/ CT images ... 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...

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Báo cáo khoa học: "Incidental thyroid lesions detected by FDG-PET/CT: prevalence and risk of thyroid cancer" ppsx

Ngày tải lên : 09/08/2014, 04:21

... 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 ... 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 did not provide ... tomography (FDG -PET/ CT) for tumor staging in solid tumors: comparison with CT and PET J Clin Oncol 2004, 22:4357-68 Cohade C, Osman M, Leal J, Wahl RL: Direct comparison of (18)F-FDG PET and PET/ CT in...

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Báo cáo khoa học: "FDG PET-CT demonstration of metastatic neuroendocrine tumor of prostate" pdf

Ngày tải lên : 09/08/2014, 07:21

... patient's management Figure imaging PET- CT1 Maximum intensity projection (MIP) of the whole body FDG Maximum intensity projection (MIP) of the whole body FDG PET- CT imaging There is intense uptake ... transaxial PET- CT images, which is different from that noted in most of adenocarcinoma of the prostate FDG PET- CT images demonstrate multiple necrotic hepatic metastases while bone scan and CT two ... 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 images demonstrate a 1.3 cm...

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Báo cáo khoa học: "Extrapulmonary small cell sarcinoma: involvement of the brain without evidence of extracranial malignancy by serial PET/CT scans" ppsx

Ngày tải lên : 09/08/2014, 07:21

... 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, ... that PET/ CT transforms image fusion from primarily a research tool to everyday clinical practice In addition, these studies prove that PET/ CT has a higher diagnostic accuracy than PET alone, or CT...

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Báo cáo khoa học: "SemiFDG-PET/CT imaging for staging and target volume delineation in conformal radiotherapy of anal carcinoma" potx

Ngày tải lên : 09/08/2014, 08:22

... analysis: - the volume identified by PET but not by CT (PEToutCT), - the volume identified by CT but not by PET (CToutPET), - the common volume of CT and PET (CT &PET) Results The average tumor-to-background ... Wilcoxon rank test showed PET- GTV and PET- CTV to be significantly smaller than CT- GTV (p = 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 ... gastro-intestinal tract tumors In particular, the GTV was drawn manually on CT and semi-automatically on PET images For delineating the PET/ CT- GTV and the PET/ CT- CTV, the operator considered both CT and PET information...

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Báo cáo khoa học: "CT-guided iodine-125 seed permanent implantation for recurrent head and neck cancers" doc

Ngày tải lên : 09/08/2014, 09:20

... 5-year actuarial overall survival rates were 65%, 39%, 39%, and 39%, respectively, with a median survival of 20 months In conclusion, CT- guided 125I seed permanent implantation is an effective ... Salazar OM: Pelvic mass: CT- guided interstitial catheter implantation with high-doserate remote afterloader Radiology 1994, 191:581-583 42 Kolotas C, Baltas D, Zamboglu N: CT- based interstitial ... 2) The actuarial median number of the implanted 125 I seeds was 48 (range, 21-158) The specific activity of 125I seeds ranged from 0.40 to 0.80 mCi/seed (median, 0.65 mCi) The total activity...

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Báo cáo khoa học: "F-FDG PET/CT-based gross tumor volume definition for radiotherapy in head and neck Cancer: a correlation study between suitable uptake value threshold and tumor parameters" pdf

Ngày tải lên : 09/08/2014, 09:20

... 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 ... taking the PET/ CT image The characteristics of the 15 patients are listed in Table PET- CT image acquisition All patients were asked to fast for at least hours before 18 F-FDG PET/ CT imaging Approximately ... 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...

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Báo cáo khoa học: "[18F]fluoroethylcholine-PET/CT imaging for radiation treatment planning of recurrent and primary prostate cancer with dose escalation to PET/CT-positive lymph node" potx

Ngày tải lên : 09/08/2014, 09:20

... rectal palpation, complete laboratory tests, FEC -PET/ CT, and MRI with endorectal coil (routinely used since 2007) No bone scintigraphy was required PET/ CT studies were performed on a combined PET/ ... ng/ml at the time of PET/ CT We did not use FEC -PET/ CT- directed dose escalation on intraprostatic lesions Niyazi et al [12] employed a mathematical model assuming various PET detection rates and alpha-beta ... tumor characteristics Pt Age (yr) stage Gleason iPSA PSA nadir dt PSA (mo.) PSA before FEC PET/ CT Previous therpay 73 cT2 cN0 11,5 - 11,5 pos (P) - 59 cT2 cN0 9,1 - 9,1 pos (P) - 64 cT3 cN0 n.a...

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Báo cáo khoa học: "FDG-PET/CT imaging for staging and radiotherapy treatment planning of head and neck carcinoma" pps

Ngày tải lên : 09/08/2014, 09:22

... GTVs were contoured on CT images obtaining CT- GTV, 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 ... 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 imaging lead to a change ... 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; ...

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Báo cáo khoa học: " Comparison of CT and integrated PET-CT based radiation therapy planning in patients with malignant pleural mesothelioma" pot

Ngày tải lên : 09/08/2014, 10:20

... 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 ... 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- ... for CT, 86% for PET, 80% for Magnetic Resonance Imaging (MRI), and 100% for PET- CT in patients with stage II disease, and accuracy of 75% for CT, 83% for PET, 90% for MRI, and 100% for PET- CT...

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Báo cáo khoa học: " [68Ga]-DOTATOC-PET/CT for meningioma IMRT treatment planning" pot

Ngày tải lên : 09/08/2014, 10:20

... Treatment characteristics, target volumes Median GTV-MRI /CT [cc] GTV -PET [cc] CTV [cc] Intersection-GTV-MRI /CT /PET [cc] Increase-MRI /CT vs Intersection [cc] Increase -PET vs Intersection [cc] Ratio ... changes based on the PET findings we evaluated both the tumor volumes (GTVMRI /CT and GTV -PET) and intersection areas between the GTV-MRI /CT and GTV -PET (Intersection-GTV-MRI /CT/ PET) For both modalities ... modalities we computed the increase in [cc] with respect to the intersection area (Increase-MRI /CT vs Intersection, respectively Increase -PET vs Intersection) These areas are those, which are visible...

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Báo cáo khoa học: " Correlating metabolic and anatomic responses of primary lung cancers to radiotherapy by combined F-18 FDG PET-CT imaging" ppsx

Ngày tải lên : 09/08/2014, 10:21

... dedicated contrast CT, F-18 FDG PETCT and post-treatment PET- CT were included Baseline pre-radiotherapy PET- CT was performed before any treatment, followed by post-radiotherapy PET- CT at a median ... 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 displayed on AW/Xeleris ... metabolic activity and also eventual reduction in tumor size or tumor load The data of PET- CT disagreement zone (right lower quadrant of Fig 1) suggested that PET was superior to CT in identifying...

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Báo cáo khoa học: " PET/CT Staging Followed by Intensity-Modulated Radiotherapy (IMRT) Improves Treatment Outcome of Locally Advanced Pharyngeal Carcinoma: a matched-pair comparison" pps

Ngày tải lên : 09/08/2014, 10:21

... patients (0%) PET/ CT imaging and PET/ CT- based RT planning was performed as described previously [16] Briefly, No diabetic patients were accepted for PET/ CT based RT-planning and injection consisted ... patients treated prior to 2002 and after with PET/ CT and IMRT exceeded our expectancies There are several reasons for the positive impact of PET/ CT and IMRT in the present series Medicine has ... evaluation and conventional CT or MR staging [14] Regarding the technical aspects of radiotherapy treatment planning, these studies conclude that PET/ CT has made an impact on target treatment volumes...

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KHẢO SÁT ĐẶC ĐIỂM PET CT CỦA U DI CĂN NÃO TỪ UNG THƯ PHỔI

Ngày tải lên : 17/08/2014, 11:50

... thuốc phóng xạ FDG (FDG PET/ CT) PET/ CT kỹ thuật kết hợp chụp hình cắt lớp phát xạ positron PET kỹ thuật chụp hình cắt lớp vi tính CT Thơng qua kết hợp đó, kỹ thuật FDG PET/ CT cho phép đánh giá ... nghiên cứu, có tất 34 ca chụp CT có cản quang quy trình ghi hình PET/ CT, chiếm tỷ lệ 89,5% PET/ CT vùng não chụp riêng sau kết thúc ghi hình PET/ CT tồn thân (như vậy, CT vùng não thực khoảng 20 phút ... giải phẫu bệnh khác [131],[137] 1.3 ỨNG DỤNG CỦA GHI HÌNH PET/ CT VỚI TH́C PHÓNG XẠ FDG TRONG U NÃO 1.3.1 Sơ lược PET/ CT PET PET /CT kỹ thuật cao ứng dụng hình ảnh chức kết hợp khơng kết hợp...

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nghiên cứu đánh giá bước đầu vai trò của pet ct trong theo dõi ung thư thanh quản sau phẫu thuật

Ngày tải lên : 07/10/2014, 11:52

... PET/ CT TRONG THEO DÕI UNG THƯ THANH QUẢN SAU PHẪU THUẬT 3.2.1 CT PET/ CT phát u, hạch Để thấy rõ gía trị hình ảnh PET/ CT, so sánh kết chẩn đoán u, hạch hình ảnh CT PET/ CT PET/ CT Bảng 3.19 CT PET/ CT ... PET/ CT với kết mô bệnh học MBH Hình ảnh Carcinoma vẩy Khác n % CT PET/ CT PET/ CT 3.2.3 CT PET/ CT phát tổn thương di Bảng 3.21 CT PET/ CT phát tổn thương di MBH Di xa Hình ảnh Di vùng Tái phát CT PET/ CT ... Di xa Hình ảnh Di vùng Tái phát CT PET/ CT PET/ CT 3.2.4 Tổn thương di phát CT PET/ CT Bảng 3.22 Tổn thương di phát CT PET/ CT Vị trí tổ thương di PET/ CT phát CT phát hiên thêm Tổng 3.2.5 Thay đổi...

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complications of interventional cardiovascular procedures a case-based atlas

Ngày tải lên : 10/10/2014, 16:25

... Closure Lawrence A Garcia, MD, FACC, FAHA Chief, Section Interventional Cardiology; Associate Director, Vascular Medicine Program; Director, Interventional Cardiology Fellowship Program, St Elizabeth’s ... Leak Closure Interventions John H Rundback, MD Clinical Director, Manhattan Interventional Radiology, New York, New York, and Director, Interventional Institute at Holy Name Hospital, Teaneck, New ... chosen based on the arch anatomies predicted by preoperative imaging and practiced on the simulator were correct The simulation correctly identiﬁed and predicted difﬁculties with anatomy and devices...

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