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Schraml Christina - - 2011
RATIONALE AND OBJECTIVES: To investigate the diagnostic value of high-resolution dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for assessment of synovitis in erosive osteoarthritis (EOA) of the hand and compare the results with those acquired in its potential mimic, the psoriatic arthritis (PsA). MATERIALS AND METHODS: Twenty-six patients (17 PsA, 9 ...
Chen Yen-Kung YK Department of Nuclear Medicine and PET Center, Shin Kong Wu Ho-Su Memorial Hospital, No. 95 Wenchang Rd, Shilin District, Taipei 111, - - 2011
To compare the diagnostic accuracy of fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET) in the detection of colon lesions with that of delayed PET/computed tomography (CT) performed after the administration of a laxative-augmented contrast medium. All patients gave written informed consent according to the guidelines issued by the institutional ...
Liu Yiyan - - 2011
Thymic lesions may represent an unresolved diagnostic problem that often requires surgical procedure for an accurate diagnosis and staging. A noninvasive imaging study to determine the nature of thymic lesions would help to identify patients who are true candidates for surgery. Published preliminary clinical observations have suggested a role of ...
Wu Xingchen - - 2011
To determine the feasibility of diffusion-weighted MRI (DWI) in the evaluation of the early chemotherapeutic response in patients with aggressive non-Hodgkin's lymphoma (NHL), eight patients with histologically proven diffuse large B-cell lymphoma were imaged by MRI, including DWI, and positron emission tomography/computed tomography (PET/CT) before treatment (E1), and after 1 ...
Ruys Anthony T - - 2011
The diagnosis and staging of hilar cholangiocarcinoma (HCCA) remain challenging despite recent advances in imaging. Little is known about the use of positron emission tomography/computed tomography (PET/CT) in HCCA. This study aimed to evaluate the additional value of FDG-PET/CT and standardized uptake value (SUV) in patients with highly suspected HCCA. ...
Saydam Ozkan - - 2011
The purpose of this study was to explore the accuracy of (18)F-fluorodeoxyglucose (FDG)-positron emission tomography/computed tomography (PET/CT) in the assessment of mediastinal lymph node in coal workers who had non-small cell lung cancer. We retrospectively reviewed 42 retired coal workers who had lung cancer without distant metastasis, between May 2007 ...
Cheng Mei-Fang - - 2011
An 80-year-old woman, who had suffered from end-stage renal disease under peritoneal dialysis, was presented with intermittent fever, leukocytosis, and elevated C-reactive protein for 4 months. She did not have symptom of abdominal pain. Culture of ascites showed Klebsiella pneumoniae. Abdominal utrasonography was negative. Whole-body gallium-67 imaging showed a segmental ...
Sainani Nisha I - - 2011
To determine if tumor Fluorine-18 fluorodeoxyglucose ((18)F-FDG) activity is dissipated by radiofrequency (RF) ablation or cryoablation during tumor ablation guided by positron emission tomography/computed tomography (PET/CT). This prospective study enrolled 12 patients (9 women and 3 men, 39-65 years old), each with at least one (18)F-FDG-avid liver, perihepatic, or lung ...
Blazak John K - - 2011
A 29-year-old woman presented with a new right supraclavicular mass on a background of resection of a malignant melanoma from her right shoulder before 4 years. F-18 fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) imaging revealed uptake in a right supraclavicular node and the inferior pole of the left lobe ...
Xing Yan - - 2011
We present a 51-year-old woman with a history of colectomy for colon cancer who was referred to our department for bone assessment. Planar image revealed a focus of increased uptake of Tc-99m methylene diphosphonate in the nose root. According to the images of SPECT combined with low-dose CT, the abnormal ...
Jeong Young Jin - - 2011
A benign osteoblastoma of the nasal cavity is very rare. A 57-year-old woman, who had a radical hysterectomy for carcinoma of the uterine cervix 5 years ago, underwent F-18 FDG PET/CT. An expansile bone tumor with high glucose metabolism in the middle turbinate of the left nasal cavity was incidentally ...
Ito Kimiteru - - 2011
Myxofibrosarcoma (MFS) has a spectrum of malignant fibroblastic lesions with variably myxoid stroma and pleomorphism. A 67-year-old man with a bulky mass on his chest wall was diagnosed with MFS. He underwent F-18 fluorodeoxyglucose (FDG) positron emission tomography/computed tomography for detection of metastasis. FDG positron emission tomography /computed tomography showed ...
Breeze A C G - - 2011
Autopsy is an important investigation following fetal death or termination for fetal abnormality. Postmortem magnetic resonance imaging (MRI) can provide macroscopic information of comparable quality to that of conventional autopsy in the event of perinatal death. It does not provide tissue for histological examination, which may limit the quality of ...
Tatsumi Mitsuaki - - 2011
To demonstrate that positron emission tomography (PET)/magnetic resonance imaging (MRI) fusion was feasible in characterizing pancreatic tumors (PTs), comparing MRI and computed tomography (CT) as mapping images for fusion with PET as well as fused PET/MRI and PET/CT. We retrospectively reviewed 47 sets of (18)F-fluorodeoxyglucose ((18)F -FDG) PET/CT and MRI ...
Fifer Kenneth M - - 2011
OBJECTIVES: This study aimed to test the hypothesis that metabolic activity within periodontal tissue (a possible surrogate for periodontal inflammation) predicts inflammation in a remote atherosclerotic vessel, utilizing (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET) imaging. BACKGROUND: Several lines of evidence establish periodontal disease as an important risk factor for atherosclerosis. ...
Schramm N - - 2011
Purpose: Advanced gastrointestinal stromal tumours (GISTs) are treated with tyrosine kinase inhibitors, which also have antiangiogenic properties. Dual-energy CT (DECT) allows to acquire semi-quantitative iodine images which might correlate with blood pool and tumor vascularity. In this feasibility-study, we correlated lesional iodine uptake estimations in correlation to tumor size changes ...
Ozcan Kara P - - 2011
A 62 year-old male with prostate cancer, recently complaining lumbar pain with elevated PSA level (6.83 ng/ml) was referred for evaluating bone metastases. Bone scintigraphy with (99m)Tc-MDP demonstrated intense uptake on third lumbar vertebra. Postoperative biopsy of the lesion on third lumbar vertebra revealed adenocarcinoma metastasis. For evaluating distant metastases and restaging, ...
Meyer Philipp T - - 2011
PET studies with biomarkers of regional neuronal activity (cerebral glucose metabolism or blood flow [CBF]) and amyloid-β (Aβ) depositions provide complementary information for the early diagnosis of dementia and follow-up of patients with dementia. We investigated the validity of relative regional CBF estimates (R(1)) gained from pharmacokinetic analyses of (11)C-labeled ...
Wu Hu-Bing - - 2011
Evaluation of nasopharyngeal carcinoma (NPC) using (18)F-FDG PET/CT is limited by the intense physiologic uptake of (18)F-FDG in the brain. We attempted to improve detection of intracranial tumor invasion (including better delineation of invasion near the skull base) in locally advanced NPC using(11)C-choline PET/CT. METHODS: Fifteen patients with newly diagnosed ...
Cistaro Angelina - - 2011
Because image fusion using (18)F-FDG PET/CT allows a better localization of the pathologic uptake, this modality has a greater sensitivity than PET alone in examining the head-neck region. However, examination of this area is particularly critical because the head and neck are close to other anatomic structures and because of ...
Liu Yi-Hwa - - 2011
Accurate and reproducible SPECT quantification of myocardial molecular processes remains a challenge because of the complication of heterogeneous background and extracardiac activity adjacent to the heart, which causes errors in the estimation of myocardial focal tracer uptake. Our aim in this study was to introduce a heuristic method for the ...
van Loon Judith - - 2011
Molecular imaging with PET, and certainly integrated PET-CT, combining functional and anatomical imaging, has many potential advantages over anatomical imaging alone in the combined modality treatment of lung cancer. The aim of the current article is to review the available evidence regarding PET with FDG and other tracers in the ...
Boss Andreas - - 2011
OBJECTIVE: The aim of this pilot study was to test and demonstrate the feasibility of simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI) of the head and upper neck area using a new hybrid PET/MRI system. METHODS: Eight patients with malignant head and neck tumours were included in ...
Kim S H - - 2012
This study evaluated the usefulness of measurements of X-ray attenuation (in Hounsfield units) obtained from unenhanced CT images for attenuation correction of the positron emission tomography (PET) data from PET/CT in the assessment of regional lymph node metastasis in oesophageal squamous cell carcinoma. 17 patients with oesophageal squamous cell carcinoma ...
Schroeder Tobias - - 2011
Dynamic positron emission tomography (PET) imaging of the lung using the radiotracer 2-[fluorine-18]-fluoro-2-deoxy-D-glucose ((18)F-FDG) is an emerging method to assess noninvasively the metabolic activity of pulmonary inflammatory cells. Nevertheless, because of the distinct functional and structural characteristics of inflamed lung tissue standard methods of (18)F-FDG analysis can be substantially limited ...
Haznedar Rauf - - 2011
PURPOSE: We assessed the role of the maximum standardized uptake value (SUV(max)) of bone marrow and the extramedullary lesion with the highest SUV(max) in positron emission tomography/computed tomography (PET/CT) of newly diagnosed multiple myeloma (MM) patients in predicting overall survival (OS). METHODS: A total of 61 newly diagnosed patients (55 ...
Gu Jing - - 2011
To assess the correlations between parameters measured on dynamic contrast-enhanced magnetic resonance imaging and 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) in rectal cancer. To assess the correlations between parameters measured on dynamic contrast-enhanced MRI and FDG-PET in rectal cancer. Significant correlations were only demonstrated between k(ep) and SUVmax (r = 0.587, ...
Raslan Osama A - - 2011
Rosai-Dorfman disease is a rare disorder characterized histologically by lymphatic sinus dilatation due to histiocyte proliferation. Our goal was to describe the CT, MRI, and (18)F-FDG (FDG) PET findings in a series of patients with this diagnosis. We retrospectively reviewed the imaging studies of 10 patients with pathologically confirmed Rosai-Dorfman ...
Morooka Miyako - - 2011
We present the F-18 FDG and ¹¹C-choline PET/CT images obtained in 2 cases of hemangioblastoma. Hemangioblastoma is a highly vascular benign tumor that typically arises in the cerebellum or spine. The characteristic findings of a hemangioblastoma on both CT and MR include a peripherally located cerebellar lesion with a central ...
Mohnike Wolfgang - - 2011
The unfavorable prognosis of congenital hyperinsulinism (CHI) can be avoided if the patients are treated with high-dose glucose infusions and timely surgical intervention. Circumscribed foci used to be identified by selective percutaneous pancreatic vein catheterization and determination of the insulin level. Fluorine-18-L-dihydroxyphenylalanine-positron emission tomography (PET) was developed as a milder ...
Liu Yiyan - - 2011
Both female adnexal tumor of possible wolffian origin (FATWO) and metastasis to the appendix from any primary tumor are extremely rare entities. The appendiceal metastasis from FATWO has not been reported, and there is a lack of the literature regarding FDG PET/CT study in both. We reported the case of ...
Yoshio Kotaro - - 2011
The aim of this study was to evaluate the local efficacy of I-131 for F-18 fluorodeoxyglucose positron emission tomography (FDG PET)-positive lesions. Whole-body FDG PET/CT was performed on 37 patients (55 cases: 16 men, 21 women; age range: 24-82 years; mean age ± standard deviation: 60.5 ± 16.0 years) with ...
Hirata Hirokazu - - 2011
We investigated the hematopoietic status of aplastic anemia with FDG-PET before and after immunosuppressive therapy. FDG-PET showed a patchy uptake pattern before treatment, indicating residual compensatory hypercellular marrow. Three years after successful treatment with ATG plus CsA, the heterogeneity of bone marrow uptake persisted, suggesting that expanded reconstitution of hematopoiesis ...
Wu Hu-bing - - 2011
We present 4 patients with thyroid carcinoma who underwent ¹¹C-choline PET/CT for the detection of their primary tumor and its metastases. Previous F-18 FDG PET had shown no abnormal tracer uptake in the lesions in 3 patients and only mild uptake in 1 patient. Four patients aged between 24 and ...
Ishigami Kousei - - 2011
PURPOSE: To evaluate the characteristics of hepatocellular carcinomas (HCCs) with marginal superparamagnetic iron oxide (SPIO) uptake on T2*-weighted MRI. MATERIALS AND METHODS: The study group consisted of 73 patients with 83 surgically resected HCCs. Preoperative SPIO-enhanced MRI studies were retrospectively reviewed. Marginal SPIO uptake was considered positive if a rim-like ...
Zampa Virna - - 2011
PURPOSE: To evaluate the usefulness of magnetic resonance imaging (MRI) in assessing the level of activity of acute Charcot foot, monitoring treatment response and predicting healing time. MATERIALS AND METHODS: Forty diabetic patients with acute Charcot foot were prospectively enrolled. Patients underwent limb immobilization and were followed every 3 months by ...
Culverwell A D - - 2011
With the increasing utilization of integrated positron-emission tomography/computed tomography (PET/CT) using the glucose analogue 2-[(18)F]-fluoro-2-deoxy-d-glucose (FDG) in oncological imaging, it is important for radiologists and nuclear medicine physicians to be aware that FDG uptake is not specific for malignancy, as many different physiological variants and benign pathological conditions can also ...
Namgung Ran - - 2011
This work demonstrated the development of multifunctional silica nanotubes (SNT) by functionalization of their inner void and outer surface with magnetic-fluorescence nanocomposites and cationic polymers, respectively. The successful construction of BPEI-SNT was established by electron energy loss spectroscopy in conjugation with standard analytical tools. The mean fluorescence intensity in a ...
Na I I - - 2011
BACKGROUND: This study was conducted to evaluate whether smoking history and the standardized uptake value (SUV) of 2-[fluorine-18]fluoro-2-deoxy-D-glucose (FDG) uptake are associated with unexpected pathological N2 status (pN2) in non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: We analyzed the data of 220 patients who underwent surgical resection with clinical N2-negative ...
Hamamura Mark J - - 2011
In this study, we investigated the in vivo application of an integrated small-animal magnetic resonance (MR) and gamma-ray imaging system that consists of a semiconductor-based radiation detector, a parallel-hole collimator, and a specialized radiofrequency coil. Gadodiamide and (99m)Tc sestimibi agents were injected simultaneously into a mouse, and simultaneous dynamic contrast-enhanced ...
Okano Keiichi K Department of Gastroenterological Surgery, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan. - - 2011
To investigate the role of (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET) in the diagnosis of small pancreatic cancer. This study involved 31 patients with proven invasive ductal cancer of the pancreas. The patients were divided into 3 groups according to the maximum diameter of the tumor: TS1 (maximum tumor size ≤ ...
Beyer Thomas - - 2011
This study gathered information about clinical PET/CT operations worldwide to help guide discussions on the use and standardization of clinical PET/CT. A Web-based survey of PET/CT users was initiated in November 2009 through e-mail advertising using Academy of Molecular Imaging databases. Recipients were asked 58 questions related to demographics (e.g., ...
Hassan Fahim U - - 2011
RATIONALE: The isotope bone scan is routinely used in the management of prostate cancer as the skeleton is the second most common area of metastasis after lymph nodes. A classic site of involvement in the pelvis is the ischium, and the aim of this study was to assess the value ...
Cho Won-Ik - - 2011
Object Differentiation between malignant and benign vertebral compression fractures (VCFs) is important but sometimes difficult, especially in elderly cancer patients. The authors investigated the findings of MR imaging and FDG-PET/CT for the differentiation of VCFs. Methods Between 2007 and 2008, the authors evaluated and treated 102 VCFs in 96 patients. ...
Binns David S - - 2011
The Response Evaluation Criteria in Solid Tumors (RECIST) are widely used but have recognized limitations. Molecular imaging assessments, including changes in (18)F-deoxyglucose (FDG) or (18)F-deoxythymidine (FLT) uptake by positron emission tomography (PET), may provide earlier, more robust evaluation of treatment efficacy. A prospective trial evaluated on-treatment changes in FDG and ...
Nomura Masashi - - 2011
A 44-year-old man presented with a very rare case of skull base osteomyelitis manifesting as persistent diplopia. He initially had the symptom with fever after dental extraction. Biopsy from the cervix and upper pharynx performed in a previous hospital had showed negative findings by histological and bacterial examinations. Magnetic resonance ...
Jeong Yoon Soo - - 2011
Pancreatitis is the most common complication of diagnostic or therapeutic endoscopic retrograde cholangiopancreatography (ERCP). The incidence of clinical post-ERCP pancreatitis is about 5%. The authors describe a case of 60-year-old man who developed an unusual focal, instead of usual diffuse pancreatitis after diagnostic ERCP. F-18 FDG PET/CT in 3 days ...
Bruna-Muraille Claire - - 2011
We report the case of a patient, referred in our institution for a PET/CT for a suspected recurrence of papillary thyroid carcinoma. An intense cutaneous uptake of FDG was seen in the upper neck region. The clinical examination showed an indurate and thickened red descamative plaque evocative of psoriasis, and ...
Gong Jieqin - - 2011
A 23-year-old woman presented with trigeminal neuralgia four months after hematopoietic stem cell transplantation (HSCT) for acute myeloblastic leukemia. No leukemic cells were found in the cerebrospinal fluid. Initial brain magnetic resonance imaging (MRI) did not reveal any abnormality. After symptom exacerbation with diplopia, second MRI showed an irregular mass ...
Wickstrom Eric - - 2011
We are developing agents for positron emission tomography (PET) imaging of cancer gene mRNA expression and software to fuse mRNA PET images with anatomical computerized tomography (CT) images to enable volumetric (3D) haptic (touch-and-feel) simulation of pancreatic cancer and surrounding organs prior to surgery in a particular patient. We have ...
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