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Fields Aaron J AJ From the Department of Orthopaedic Surgery (A.J.F., R.K., J.C.L.) and Department of Radiology and Biomedical Imaging (M.H., R.K.), University of California-San Francisco, 513 Parnassus Ave, Room S-1161, San Francisco, CA - - 2014
Purpose To measure the T2* of the human cartilaginous end plate by using magnetic resonance (MR) imaging with very short echo times and to determine the effect of the orientation of the end plate on T2* and on relationships between T2* and biochemical composition. Materials and Methods This study was ...
Huang Yen-Chu YC Department of Neurology, Chang Gung Memorial Hospital at Chiayi, Chang-Gung University College of Medicine, Chiayi, - - 2014
Whether a perfusion defect exists in lacunar infarct and whether it is related to early neurological deterioration (END) is still under debate. The aim of this study was to evaluate whether END in lacunar infarct is related to a perfusion defect using diffusion-weighted imaging (DWI), diffusion tensor imaging (DTI) and ...
Aoki Takatoshi - - 2012
PURPOSE: To compare fat-suppressed magnetic resonance imaging (MRI) quality using iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL) with that using chemical shift selective fat-suppressed T1-weighted spin-echo (CHESS) images for evaluating rheumatoid arthritis (RA) lesions of the hand and finger at 3T. MATERIALS AND METHODS: ...
Siddle Heidi J HJ Division of Rheumatic and Musculoskeletal Disease, Leeds Institute of Molecular Medicine, University of Leeds, National Institute for Health Research Leeds Msculoskeletal Biomedical Research Unit, Department of Radiology, Leeds Teaching Hospitals National Health Service Trust, 2nd Floor, Chapel Allerton Hospital, Chapeltown Road, Leeds, LS7 4SA, UK. - - 2012
Our exploratory study of painful lesser metatarsophalangeal (MTP) joints in patients with rheumatoid arthritis (RA) primarily aimed to compare the clinical, biomechanical, and plain radiography findings with magnetic resonance (MR) arthrography findings. Our secondary aim was to compare standard unenhanced MR with MR arthrography in imaging the lesser MTP joints ...
Cimmino Marco Amedeo - - 2012
Dynamic, contrast-enhanced magnetic resonance imaging (DCE-MRI), the quantification of enhancement within the synovial membrane and bone by extracting curves using fast T1-weighted sequences during intravenous administration of contrast agent, evaluates synovitis and bone marrow edema in psoriatic arthritis (PsA). In this pilot study, we looked at possible differences between joint ...
Yamashita Hiroyuki - - 2012
OBJECTIVES: We assessed fluorine-18 ((18)F)-labelled fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) findings in patients with seronegative spondyloarthritis (SpA), polymyalgia rheumatica (PMR), and rheumatoid arthritis (RA). METHODS: We studied 53 patients with SpA (n=21), PMR (n=16), or RA (n=16) admitted to our hospital between 2006 and 2011. Disease activity in ...
Navalho Márcio - - 2012
Purpose:To identify bilateral hand and wrist findings of synovial inflammation associated with progression to rheumatoid arthritis (RA) in very-early-RA cohort (VERA) (duration, <3 months) and early-RA cohort (ERA) (duration, <12 but >3 months), to test tenosynovitis as a magnetic resonance (MR) imaging additional parameter for improving diagnostic accuracy of the ...
Kosta Pe - - 2012
Objective: To evaluate the magnetic resonance imaging (MRI) findings of hand involvement before and 1 year after treatment in patients with early rheumatoid arthritis (RA). Method: MRI of the dominant hand was performed in 22 patients fulfilling the new criteria for early RA. The patients were divided into three groups. ...
Narváez Javier - - 2012
OBJECTIVE: To investigate whether rheumatoid arthritis (RA) and psoriatic arthritis (PsA) can be differentiated in the early stages of the disease (duration of symptoms ≤1 year) on the basis of magnetic resonance imaging (MRI) features of the hand and wrist. MATERIAL AND METHODS: Twenty early RA and 17 early PsA ...
Jeromel M - - 2012
OBJECTIVE: To test the feasibility of dynamic contrast enhanced (DCEI) and diffusion weighted (DWI) magnetic resonance imaging (MRI) for quantifying synovitis of the cranio-cervical (C-C) region in patients with early rheumatoid arthritis (RA) and neck pain at the beginning and at a six month follow up. METHODS: 27 patients with ...
Troum Orrin M - - 2012
Early diagnosis and treatment have been recognized as essential for improving clinical outcomes in patients with rheumatoid arthritis (RA). Magnetic resonance imaging (MRI) is a sensitive modality that can assess both inflammatory and structural lesions. MRI can assist in following the disease course in patients treated with traditional disease-modifying antirheumatic ...
Kawashiri Shin-Ya - - 2012
OBJECTIVE: We investigated whether musculoskeletal ultrasonography (MSKUS) assists the diagnostic performance of the 2010 rheumatoid arthritis (RA) classification criteria. METHODS: Sixty-nine early arthritis patients were consecutively enrolled. None of the patients had been treated. In MSKUS of bilateral wrist and finger joints from 22 sites, the findings obtained by gray-scale ...
Amin Mohammed F - - 2012
OBJECTIVES: To determine the accuracy of ultrasound in early detection of bone erosions and monitoring disease activity in rheumatoid arthritis (RA) patients using magnetic resonance imaging (MRI) as a gold standard technique. MATERIAL AND METHODS: This prospective study was carried out on 50 patients with known RA and 15 healthy ...
Hügle Thomas - - 2012
OBJECTIVES: Currently there are no reliable biomarkers in the synovial fluid available to differentiate between septic and non-septic arthritis or to predict the prognosis of osteoarthritis, respectively. Nuclear magnetic resonance (NMR) spectroscopy is an analytical technique that allows a rapid, high throughput metabolic profiling of biological fluids or tissues. METHODS: ...
Hammer Hilde Berner - - 2012
PURPOSE OF REVIEW: Imaging of inflammatory activity is of increasing importance, and among available modalities, ultrasonography and magnetic resonance imaging (MRI) seem to be of highest impact. The present review includes recent studies describing several aspects of these modalities as well as short descriptions of other promising imaging methods in ...
van de Sande Marleen G H - - 2012
Objective. Dynamic contrast-enhanced (DCE-MRI) time-intensity curve (TIC) shape analysis has previously been used in oncology, where fast initial enhancement and early washout are associated with malignancy. As RA synovium has some tumour-like features, we investigated DCE-MRI TIC shape expression in early arthritis in relationship to diagnosis.Methods. Twenty-eight DMARD-naïve, early arthritis ...
Kim Chan Woo - - 2012
A 64-year-old woman suffering right hemiplegia came in with pain and swelling on her left knee, general weakness and poor oral intake for 2 months. On physical examination we were able to palpate a mass with irregular margin around the left suprapatellar area. From the results of the magnetic resonance ...
Axelsen M B - - 2012
To determine whether dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) evaluated using semi-automatic image processing software can accurately assess synovial inflammation in rheumatoid arthritis (RA) knee joints. In 17 RA patients undergoing knee surgery, the average grade of histological synovial inflammation was determined from four biopsies obtained during surgery. A preoperative ...
Balducci Anthony - - 2012
Non-invasive imaging of inflammation to measure the progression of autoimmune diseases, such as rheumatoid arthritis (RA), and to monitor responses to therapy is critically needed. V-Sense, a perfluorocarbon (PFC) contrast agent that preferentially labels inflammatory cells, which are then recruited out of systemic circulation to sites of inflammation, enables ...
Kozawa Eito - - 2012
We report a case of polypoid endometriosis of the ovary and correlate magnetic resonance (MR) and pathological findings. The endometriosis appeared as multiple polypoid areas along the wall of the ovarian cystic lesion with hyperintensity on T(2)-weighted images and slight hyperintensity on diffusion-weighted images. However, the polypoid areas did not ...
Nakata Keiko - - 2012
To indicate the possibility of a new approach to creating mineral density profiles, and to examine longitudinal changes in 'the rate of remineralization (RA)' and 'the mineral density (DAs) at 4 different depths' (surface zone: SZ, lesion body: LB, middle zone: MZ, deep zone near to sound area: DZ) in ...
Peterfy Charles G - - 2012
Magnetic resonance imaging (MRI) has been shown to be superior to radiography (XR) for assessing synovitis, osteitis, and bone erosion in rheumatoid arthritis (RA), particularly in clinical trials. However, relatively little has been reported on the ability of MRI to evaluate articular cartilage loss, or joint-space narrowing (JSN), in the ...
Zhong Chongguang - - 2011
PURPOSE: To investigate acupuncture specificity by exploring causal relationships of brain networks following acupuncture at GB40 (Qiuxu), with the acupoint KI3 (Taixi) as a control (belonging to the same nerve segment but different meridians). MATERIALS AND METHODS: Needling at acupoints GB40 and KI3 was performed in 12 subjects separately. The ...
Bamba Yoshiko - - 2011
The aim was to examine the clinical applicability of positron-emission tomography/computed tomography (PET/CT) for diagnosing local recurrence of colorectal cancer. From August 2003 to August 2008, 256 patients with colorectal cancer underwent PET/CT scanning for staging or restaging. Local recurrence was detected in 22 patients (18 men, 4 women) postsurgically. ...
Lee Jeong Won - - 2011
The purpose of this study was to determine the most useful parameter of dual-time-point 2-deoxy-2-[(18)F]fluoro-D: -glucose positron emission tomography/computed tomography (PET/CT) for detection of hepatic metastases in patients with colorectal cancer. Thirty-nine patients had undergone a dual-time-point PET/CT scan and a subsequent histopathological confirmation for a workup of hepatic metastases. ...
Jurik Anne Grethe - - 2011
Spinal involvement is frequent in rheumatoid arthritis (RA) and seronegative spondyloarthritides (SpA), and its diagnosis is important. Thus, MRI and CT are increasingly used, although radiography is the recommended initial examination. The purpose of this review is to present the typical radiographic features of spinal changes in RA and SpA ...
Senft Asaf - - 2011
The aim of the study was to assess the interobserver variability in chest computed tomography (CT) and whole body 2-deoxy-2-[(18)F]fluoro-D-glucose positron emission tomography (FDG-PET) screening for distant metastases in head and neck squamous cell carcinoma (HNSCC) patients. Chest CT and whole body FDG-PET of 69 HNSCC patients with high-risk factors ...
Gu Jeffrey T JT Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143-0628 , - - 2011
Several recent advances in the field of magnetic resonance imaging (MRI) may transform the detection and monitoring of rheumatoid arthritis (RA). These advances depict both anatomic and molecular alterations from RA. Previous techniques could detect specific end products of metabolism in vitro or were limited to providing anatomic information. This ...
Muralidhar Gautam S - - 2011
In this paper, we review the role played by breast magnetic resonance imaging in the detection and diagnosis of breast cancer. This is followed by a discussion of clinical decision support systems in medicine and their contributions in breast magnetic resonance imaging interpretation. We conclude by discussing the future of ...
Yu Lijuan - - 2011
: The purpose is to evaluate F-fluorodeoxy glucose-positron emission tomography (PET)/computed tomography (CT) for the detection of cervical carcinoma of the International Federation of Gynecology and Obstetrics stages Ib and IIa. : Twenty-two patients with cervical carcinoma were included in this study. Eleven of them were at the International Federation ...
Walker Andrew J - - 2011
Accurate staging of esophageal cancer (ECA) is critical in determining appropriate therapy. Endoscopic ultrasound (EUS), computed tomography (CT) and positron emission tomography (PET) scanning can be used, but limited data exists regarding the use of combined PET/CT fusion imaging and EUS in ECA staging. The objective of this study is ...
Kim E - - 2010
BACKGROUND AND PURPOSE: Subconjunctival fat prolapse and dermolipoma of the orbit are unfamiliar to radiologists and yet should be differentiated because their treatments are different. The purpose of this study was to investigate the CT and MR imaging findings that distinguish these 2 conditions. MATERIALS AND METHODS: Between 1995 and ...
Klingenstein Annemarie - - 2010
Metastasis has been reported in the follow-up of up to 50% of uveal melanoma patients. Established oncological diagnostic modalities in tumor follow-up so far have limited sensitivity and specificity. The diagnostic value of combined positron emission tomography (PET)/computed tomography (CT) scans in the follow-up of patients with metastatic uveal melanoma ...
Obrzut Sebastian - - 2010
Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) has added positron emission tomography (PET) as an optional complement for the detection of new lesions. In this study, we evaluate the utility of fluorodeoxyglucose (FDG)-PET in the identification of new lesions and progressive disease not recognized on computed tomography ...
Rygh Cecilie B CB Department of Physiology and Membrane Biology, University of California Davis, California, - - 2011
We apply positron emission tomography (PET) to elucidate changes in nanocarrier extravasation during the transition from premalignant to malignant cancer, providing insight into the use of imaging to characterize early cancerous lesions and the utility of nanoparticles in early disease. Albumin and liposomes were labeled with (64)Cu (half-life 12.7 hours), ...
Nanni Cristina - - 2010
The aim of this work was to preliminarily evaluate the sensitivity, specificity, positive predictive value, negative predictive value, and overall accuracy of (68)Ga-citrate PET/CT in a population of patients with suspected bone infections. We enrolled 31 patients with suspected osteomyelitis or diskitis who underwent a total of forty (68)Ga-citrate PET/CT ...
Berg Wendie A - - 2011
To determine the performance of positron emission mammography (PEM), as compared with magnetic resonance (MR) imaging, including the effect on surgical management, in ipsilateral breasts with cancer. Four hundred seventy-two women with newly diagnosed breast cancer who were offered breast-conserving surgery consented from September 2006 to November 2008 to participate ...
Champion Laurence - - 2010
BACKGROUND:: Breast cancer recurrence is often suspected on tumor marker rising in asymptomatic patients. The value of fluorine-18 fluorodeoxyglucose (18FDG)-positron emission tomography/computed tomography (PET/CT) imaging to detect recurrence and its subsequent impact on patient management were retrospectively assessed. METHODS:: PET/CT scans were performed on 228 asymptomatic patients (mean, 60.8 years; ...
Sherlock Ceri E - - 2010
Emaciated human patients have changes in the fat content in medullary bone that are consistent with serous atrophy of the bone marrow histologically. Serous atrophy has been identified at postmortem examination in horses; however, the magnetic resonance (MR) characteristics have not been documented. Herein we describe the abnormalities of the ...
Schreyögg Jonas - - 2010
Although the diagnostic effectiveness of integrated PET/CT for staging of non-small cell lung cancer (NSCLC) has already been proven, it remains to be determined if tumor staging with combined metabolic and anatomic imaging is also cost-effective. The objective of this study was to evaluate from a payers' perspective the cost-effectiveness ...
Zahid Imran - - 2011
A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was which diagnostic modality [computed tomography (CT), positron emission tomography (PET), combination PET/CT and magnetic resonance imaging (MRI)] provides the best diagnostic and staging information in patients with malignant pleural mesothelioma (MPM). Overall, ...
Frilling Andrea - - 2010
To evaluate the impact of 68Ga-DOTATOC positron emission tomography (PET)/computed tomography (CT) on the multimodal management of neuroendocrine tumors (NET). Establishment of the extent and progression of NET are necessary to decide which treatment option to choose. However, morphological imaging with CT or magnetic resonance imaging (MRI) is often inadequate ...
Everitt Sarah - - 2010
The authors studied growth and progression of untreated nonsmall cell lung cancer (NSCLC) by comparing diagnostic and radiotherapy (RT) planning fluorodeoxyglucose (FDG)-positron emission tomography (PET)/computed tomography (CT) scans before proposed radical chemo-RT. Patients enrolled on a prospective clinical trial were eligible for this analysis if they underwent 2 pretreatment whole ...
Segaert Isabelle - - 2010
To evaluate retrospectively the accuracy of integrated PET/CT, against PET, CT, or conventional staging in breast cancer. Seventy consecutive biopsy proven clinical stage IIB and III breast cancer patients were included. Descriptive statistics of integrated PET/CT for the primary tumor, nodal status and metastasis detection were compared to PET, CT ...
Park Hye Kyeong - - 2010
The introduction of ¹⁸F-FDG PET/CT has enhanced the diagnostic accuracy of nodal staging for non-small cell lung cancer (NSCLC). We analysed risk factors for occult nodal metastasis in patients with clinical stage IA NSCLC as determined by ¹⁸F-FDG PET/CT. Data for 147 patients diagnosed as clinical stage IA NSCLC by ...
Hall Matthew N - - 2010
A minority of patients with multiple myeloma have imaging findings of extraosseous involvement. Extraosseous myeloma may affect any organ and can mimic other malignancies. The objective of this article is to describe the clinical relevance of extraosseous myeloma and to present the diverse imaging findings of extraosseous myeloma. The presence ...
Spatz Johann - - 2011
Surgery for colorectal liver metastasis facilitates long-term survival, and neoadjuvant chemotherapy improves resectability but may also alter staging accuracy. The aim of this study was to evaluate the effects of neoadjuvant chemotherapy on the efficacy of positron emission tomography (PET), PET-computed tomography (CT), CT and intraoperative ultrasound (IUS) in the ...
Gu Dong Hyeon - - 2010
a reliable assessment of mandibular invasion is crucial for treatment planning to obtain both radical tumor resection and good functional results. to retrospectively compare the diagnostic value of three different imaging methods - computed tomography (CT), magnetic resonance (MR) imaging, (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT - and their combined ...
Pauls Sandra - - 2012
Purpose The purpose of this study was to prospectively determine the diagnostic accuracy of diffusion-weighted imaging (DWI) using MRI in the staging of thoracic lymph nodes in patients with lung cancer, and to compare the performance to that of PET/CT. Patients and Method 20 consecutive patients (pts) with histologically proven ...
Mac Manus M P - - 2010
Positron emission tomography (PET) and more recently PET/computed tomography (CT) scanning represent major advances in the imaging of lung cancer and have an especially high impact on the management of patients who are candidates for potentially curative or "radical" radiotherapy (RT). This article reviews the current status of PET and ...
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