نتایج جستجو برای: fdg petct

تعداد نتایج: 14729  

FDG PET CT scan is considered to be a sensitive tool to detect skeletal metastasis in known malignancies. However, it’s high sensitivity and low specificity may account for false positive diagnosis in cases of trauma, infection, inflammation and other benign conditions. Skeletal hemangioma is one of the common benign conditions which are typically ametabolic on FDG PET CT with no uptake on bone...

A. Sabet, A. Schmiedel, F.J. Huertos Lopez, H. Ahmadzadehfar, H.J. Biersack, M. Muckle, S. Ezziddin,

Background: Despite the relative success of surgical resection followed by proton, proton/photon, or conventional radiotherapy in terms of recurrence-free survival, chordomas are still associated with a high rate of recurrence. To our knowledge there are only very few reported cases of this rare tumor detected by F-18 FDG-PET. Materials and Methods: In this case we show the significanc...

Primary cardiac osteosarcoma is a very rare malignancy with a high incidence of local recurrence and systemic metastasis, contributing to the poor prognosis. Radiological modalities are commonly used for the evaluation of cardiac masses. 2-[18F]fluoro-2-deoxy-D-glucose ([18F]FDG) positron emission tomography/computed tomography is a valuable whole-body imaging modality in ...

Journal: :Annals of nuclear medicine 2001
J Kawabe T Okamura M Shakudo K Koyama H Sakamoto Y Ohachi S Higashiyama Y Inoue R Yamada H Ochi

In clinical F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) studies of the head and neck region, remarkable symmetric tonsillar FDG uptake is sometimes observed. We determined the incidence and degree of tonsillar FDG uptake and investigated the significance of tonsillar FDG uptake. Between June 1998 and August 1998, we obtained informed consent from 17 patients who were schedu...

Journal: :Annals of nuclear medicine 2006
Tatsuro Tsuchida Nobuyuki Kosaka Katsuya Sugimoto Harumi Itoh

We report 2 cases of sacral insufficient fracture detected by FDG-PET/CT. In case 1, a 79-year-old female patient with malignant lymphoma, who had recent lumbago, received FDG-PET/CT examination. Vertical linear FDG uptake medial to bilateral sacro-iliac joint was observed on FDG-PET and a fracture line corresponding to FDG uptake was observed in bone window of CT images. In case 2, an 81-year-...

Journal: :Annals of nuclear medicine 2005
Osamu Inoue Miho Shukuri Rie Hosoi Misato Amitani Nariaki Matsuura Jun Hatazawa Nobuhiko Takai

An early image of intra-tumor distribution of 14C-labeled fluorodeoxy glucose (14C-FDG) was compared with a late image of 18F-labeled FDG (18F-FDG) using mouse fibrosarcoma. Heterogeneous intra-tumor distribution of 14C-FDG was observed 1 minute post injection of the tracer, whereas relatively homogeneous distribution of 18F-FDG was seen 30 minutes later. 14C-FDG was particularly taken up in th...

2015
Amol Fatangare Christian Paetz Hanspeter Saluz Aleš Svatoš

2-Deoxy-2-fluoro-d-glucose (FDG) is glucose analog routinely used in clinical and animal radiotracer studies to trace glucose uptake but it has rarely been used in plants. Previous studies analyzed FDG translocation and distribution pattern in plants and proposed that FDG could be used as a tracer for photoassimilates in plants. Elucidating FDG metabolism in plants is a crucial aspect for estab...

Journal: :Investigative radiology 2004
Elka Miller Hedva Lerman Mordechai Gutman Arie Figer Genady Livshitz Einat Even-Sapir

RATIONALE AND OBJECTIVES F18-fluorodeoxyglucose (FDG)-positron emission tomography (PET) studies have clinical value in suspected recurrent or metastatic colorectal cancer cases. Because this modality is not accessible for many patients, a camera-based FDG (CB-FDG) coincidence imaging was suggested as an alternative. Although inferior in resolution to a dedicated PET system, it can make FDG stu...

Journal: :World Journal of Surgical Oncology 2009
Ja Seong Bae Byung Joo Chae Woo Chan Park Jeong Soo Kim Sung Hoon Kim Sang Seol Jung Byung Joo Song

BACKGROUND Incidentally found thyroid lesions are frequently detected in patients undergoing FDG-PET/CT. The aim of this study was to investigate the prevalence of incidentally found thyroid lesions in patients undergoing FDG-PET/CT and determine the risk for thyroid cancer. METHODS FDG-PET/CT was performed on 3,379 patients for evaluation of suspected or known cancer or cancer screening with...

Journal: :AJR. American journal of roentgenology 2002
Song-Mee Cho Hyun Kwon Ha Jae Young Byun Jae Mun Lee Chan Joo Kim Sung Eun Nam-Koong Joon Mo Lee

OBJECTIVE The purpose of our study was to evaluate the diagnostic accuracy of FDG positron emission tomography (PET) in comparison with CT in detecting recurrent ovarian carcinoma and its ability to reveal small tumor recurrence. MATERIALS AND METHODS We reviewed the records of 31 consecutive patients with pathologically proven epithelial carcinoma who underwent FDG PET 1 month before second-...

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