Search Results
Results 251 - 300 of 1518
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Nasrollahzadeh Dariush - - 2011
To establish optimal cutoff values for serologic diagnosis of fundic atrophy in a high-risk area for oesophageal squamous cell carcinoma and gastric cancer with high prevalence of Helicobacter pylori (H. pylori) in Northern Iran, we performed an endoscopy-room-based validation study. We measured serum pepsinogens I (PGI) and II (PGII), gastrin ...
Coulthart Michael B - - 2011
To better characterize the value of cerebrospinal fluid (CSF) proteins as diagnostic markers in a clinical population of subacute encephalopathy patients with relatively low prevalence of sporadic Creutzfeldt-Jakob disease (sCJD), we studied the diagnostic accuracies of several such markers (14-3-3, tau and S100B) in 1000 prospectively and sequentially recruited Canadian ...
Mbaye Papa Saliou - - 2011
Despite the high prevalence of chronic hepatitis B (CHB) in Africa, few studies have been performed among African patients. We sought to evaluate liver stiffness measurement by FibroScan® (LSM) and two biochemical scores (FibroTest®, Fibrometer®) to diagnose liver fibrosis in Senegalese CHB patients with HBV plasma DNA load ≥3.2 log(10) ...
Betz Randal R - - 2011
This cross-sectional, multicenter cohort study describes patterns of preserved sensation in persons with American Spinal Injury Association (ASIA) Impairment Scale (AIS) B (sensory incomplete, or SI) and AIS C/D (motor incomplete, or MI). A total of 93 subjects with incomplete spinal injuries (58 with tetraplegia and 35 with paraplegia) were ...
Exacoustos C - - 2010
OBJECTIVE:: The aim of this study is to correlate the 2D and 3D TVS detectable morphological alterations of both the outer myometrium and JZ (inner myometrium) induced by adenomyosis to histopathological features. METHODS:: Premenopausal patients scheduled for hysterectomy for benign pathology were enrolled in this prospective study. Before hysterectomy all ...
Israel Gary M - - 2010
The purpose of this study was to investigate the effect of patient size on the amount of radiation used to perform CT examinations of the chest, abdomen, and pelvis with automatic exposure control and on the corresponding patient doses. Ninety-one patients underwent CT of the chest, abdomen, and pelvis with ...
Soler Zachary M - - 2010
OBJECTIVES:: To compare radiographic sinus mucosal thickening in patients with Graves' orbitopathy versus controls and determine whether target autoantigens thought to underlie systemic manifestations of Graves' disease are present within paranasal sinus mucosa. STUDY DESIGN:: Case-control study. METHODS:: Sinus computed tomography (CT) scans from patients with Graves' orbitopathy scheduled for ...
Parisella M - - 2012
The aim of this study was to define, retrospectively, the utility to perform 99mTc-EDDA/HYNIC-Tyr3-octreotide (99mTc-EDDA/HYNIC-TOC) scan in patients with NET. We studied 50 consecutive patients affected by different types of NET and divided in two groups. Group 1: 34 patients with known lesions in which 99mTc-EDDA/HYNIC-TOC was performed for staging, ...
Pfadenhauer K - - 2011
Aim: To demonstrate the capacity of FDG-PET to show active giant cell arteritis (GCA) of the extracerebral vertebral artery (VA) and to compare it with clinical, ultrasonographic (US) and biopsy findings. Patients, methods: Observational study of 46 consecutive patients with the diagnosis of active GCA and abnormal high FDG uptake ...
Hochstim Christian J - - 2010
Bacterial biofilms have been observed in many patients with chronic rhinosinusitis, but their importance is still being investigated. This study examines the association between biofilms and other clinical findings in chronic rhinosinusitis patients. Twenty-four patients with chronic rhinosinusitis who failed medical management underwent endoscopic sinus surgery (ESS). Tissue was collected ...
Mehta Atul C - - 2010
The CXR is the most commonly performed radiographic examination worldwide. Its ease of performance, apparent ease of interpretation and low radiation dose, alongside its great spatial resolution would suggest that it should be the first investigation performed in all patients presenting with thoracic disease. But, the advent of ever-improving multislice ...
Furth C C Department of Radiology and Nuclear Medicine, Medical School, Otto-von-Guericke University, Magdeburg. - - 2011
The aim of this study was to evaluate the use and reliability of the new positron emission tomography (PET)-based response criteria for interim positron emission tomography (iPET) in patients with paediatric Hodgkin's lymphoma (pHL). Particular emphasis was put on interobserver variability and on identification of a visual cut-off defining patients ...
Pastis Nicholas J NJ Jr Division of Pulmonary and Critical Care Medicine, Medical University of South Carolina, Charleston, SC 29425-6300, USA. - - 2011
We evaluated the association between hemodynamic parameters of chronic congestive heart failure (CHF) and mediastinal lymphadenopathy (MLA) in heart transplantation (HT) candidates and the effect of HT on MLA. We also described the results of lymph node (LN) biopsies of MLA in the patients. Patients who underwent HT evaluation over ...
Gupta Bharat Kumar - - 2010
Tuberculosis kills five lakh patients in India every year, out of which 7-12 % are with meningeal involvement. Delay in its diagnosis and in initiation of treatment results in poor prognosis and sequlae in up to 25% of cases. The aim of the present study is to look for a ...
Rimondi Eugenio - - 2011
To evaluate the clinical and imaging outcome of patients with symptomatic eosinophilic granuloma of the spine treated with CT-guided intralesional methylprednisolone injection after biopsy. Patients (n =19) with symptomatic solitary eosinophilic granuloma of the spine treated by CT-guided intralesional methylprednisolone injection were retrospectively studied. There were 12 males and seven females ...
Gardner Michael J - - 2010
To quantify the obliquity and dimensions of the upper and second sacral segment iliosacral screw safe zones and to determine the differences between normal and dysmorphic sacral morphology. Retrospective cohort. University Level I trauma center. Fifty patients with pelvic computed tomography scans. All sacra were characterized as normal or dysmorphic ...
Marzoa-Rivas R - - 2010
It has been suggested that for adequate maintenance of tacrolimus levels, the total daily dosage should be increased when switching from the conventional twice-daily regimen tacrolimus (CT) to once-daily sustained-release tacrolimus (SR-T). To evaluate the safety and efficacy of a 25% increase in daily dosage when switching heart transplant (HT) ...
Kabenge C - - 2010
The purpose of this study was to determine sonographically, in parotid glands of human immunodeficiency virus-positive patients, the condition of glands with or without enlargement, and propose a classification system for the patterns observed using diagnostic ultrasound imaging. In this prospective clinical study, ultrasound scans were performed on 200 patients ...
Mijailovic M Z - - 2010
Purpose: The aim of this study was to analyze outcomes in a series of patients with symptomatic uterine fibroids who had undergone endovascular arterial embolization. Methods: Analysis included 36 patients with uterine fibroids and average age of 38.5 years, with bilateral endovascular embolization of fibroid-feeding arteries. Solitary uterine fibroids were ...
Lee Choong Wook - - 2010
The purpose of this study is to assess the incidence and type of intimal defects in acute stage of the intramural hematoma (IMH) of the aorta using multi-detector CT (MDCT), and to see whether there was any difference in disease progression according to the presence and types of intimal defects. ...
Soto-Cardenas M-J - - 2010
To analyse the prevalence and clinical significance of bronchiectasis in a large series of patients with primary Sjögren's syndrome (SS) and evaluate its impact on disease expression and outcomes. The study cohort included 507 patients with primary SS. Bronchiectasis were diagnosed according to pulmonary computed tomography (CT). As a control ...
Kueh Sherman S H - - 2010
Current surgical techniques in patients with differentiated thyroid cancer can leave little or no remnant tissue. Coupled with favorable prognostic factors, this subgroup of patients might not require radioablative remnant ablation with Iodine-131 (I-131). Postoperative scanning may help to identify this subgroup, however low dose I-131 can lead to stunning ...
Milito Miguel A MA Department of Diagnostic Radiology, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030, - - 2010
To assess whether the type of immune suppression in patients with hematologic malignancies affects the appearance of invasive pulmonary aspergillosis (IPA) on computed tomography (CT), we retrospectively reviewed the CT findings of 66 consecutive patients who were diagnosed with hematologic malignancies and IPA and correlated the findings to patients' IPA ...
Fujishiro Hiroshige - - 2010
Previous longitudinal studies have revealed that specific patterns on [(18) F]-fluoro-d-glucose (FDG) positron emission tomography (PET) scans in patients with amnesic mild cognitive impairment can predict Alzheimer's disease (AD). However, the significance of particular patterns on [(18) F]-FDG PET scans in prodromal patients with dementia with Lewy bodies (DLB) remains ...
Akin Kayihan - - 2011
The aim of this study was to evaluate the interindividual variations of the xiphoid process in a wide adult group using 64-row multidetector computed tomography (MDCT). Included in the study were 500 consecutive patients who underwent coronary computed tomography angiography. Multiplanar reconstruction (MPR), maximum intensity projection (MIP) images on coronal ...
Albareda M - - 2010
BACKGROUND: In about 16-85% of subjects with goiter, upper airway obstruction (UAO) is observed. This percentage is higher in patients affected by goiter with endothoracic enlargement. UAO is an indication for surgery. Visual analysis of flow-volume loops (FVL) are the best indicators for UAO, although various studies using clinical and ...
Algın Oktay - - 2011
PURPOSE The aim of this study was to evaluate the efficiency of MR cisternography (MRC) in the diagnosis of idiopathic normalpressure hydrocephalus (INPH) and in the prediction of the response to shunt treatment. MATERIALS AND METHODS Thirty-six patients with the diagnosis of "probable INPH" were included in the study group ...
Cerfolio Robert J - - 2010
Accurate false negative rates for endobronchial ultrasound (EBUS) and esophageal ultrasound (EUS) for mediastinal (N2) lymph nodes are unknown. A retrospective review of patients with non-small cell lung cancer (NSCLC) underwent integrated positron emission tomography and computed tomography (PET/CT) and CT scan. All suspicious N2 lymph nodes were biopsied before ...
Carryer Damita J - - 2010
The 2005 appropriate use criteria (AUC) for stress single-photon emission computed tomographic myocardial perfusion imaging (SPECT MPI) were revised in 2009 to reflect changes in published evidence, clinical practice and experience with application of the 2005 AUC. The purpose of this study was to compare the 2009 AUC for SPECT ...
Hasan Yasmin - - 2011
To assess the adequacy of dose delivery to the clinical target volume (CTV) using external beam (EB) accelerated partial breast irradiation (APBI). Sixteen patients treated with EB APBI underwent cone beam CT (CBCT) before each fraction and daily helical CT (HCT) scans to determine setup errors and calculate the dose ...
Pifferi M - - 2011
Agenesis of paranasal sinuses has only been described in case reports of patients with primary ciliary dyskinesia (PCD). As agenesis of paranasal sinuses may contribute to low nasal nitric oxide levels, a common finding in PCD, we speculated that this condition might frequently occur in PCD patients. Patients referred for ...
Dobbs Matthew D - - 2010
Abdominopelvic computed tomography (APCT) is often performed in patients with skeletal Ewing sarcoma family of tumors during initial staging and for subsequent clinical indications, such as metastasis surveillance; however, its clinical impact is unknown. The purpose of this study was to evaluate whether these computed tomographic examinations alter oncologic management ...
Mathur Aarti - - 2010
In patients with primary hyperaldosteronism, distinguishing between unilateral and bilateral adrenal hypersecretion is critical in assessing treatment options. Adrenal venous sampling (AVS) has been advocated by some to be the gold standard for localization of the responsible lesion, but there remains a lack of consensus for the criteria and the ...
Widni Eva E - - 2010
BACKGROUND: Ultrasound is a noninvasive imaging method used widely in urachal diagnostics. This study investigated the effectiveness of ultrasonography in correctly depicting urachal anomalies in children. METHODS: Preoperative ultrasound findings of all patients who were operated on for suspected urachal anomalies between 1990 and 2008 were retrospectively compared with the ...
Taylor Carolyn M - - 2010
Cardiac computed tomographic angiography (CCTA) is a unique diagnostic modality that can provide a comprehensive assessment of cardiac anatomy. Rapid advances in scanner and software technology have resulted in the ability to noninvasively image the coronary arteries. However, careful patient preparation and scanning technique is required to ensure optimal image ...
Czihal M - - 2010
To evaluate the clinical characteristics and imaging results (CDS, 18-FDG-PET) of patients with large vessel giant cell arteritis (LV-GCA) presenting as fever of unknown origin (FUO). From a series of 82 patients with GCA we identified 8 patients with FUO as initial disease manifestation. Clinical characteristics and results of CDS ...
Taylor-Gjevre Regina M - - 2010
To evaluate the diagnostic utility of nerve conduction studies (NCSs) by examining a population with a high pretest probability of carpal tunnel syndrome (CTS), including bilaterally and unilaterally symptomatic patients. Comparison of the results of NCSs with the results of prospective, pre-NCS, self-administered questionnaires of patients with clinical diagnoses of ...
Rabkin Zoya - - 2010
Diabetes mellitus (DM) is a common metabolic disorder. Hyperglycemia occurs in a significant proportion of patients with uncontrolled DM but can also be found in patients without diabetes. Although the relationship between (18)F-FDG uptake in malignant tumors and blood glucose levels has been previously addressed, it has not been investigated ...
Phillips Christophe L - - 2011
The vegetative state is a devastating condition where patients awaken from their coma (i.e., open their eyes) but fail to show any behavioural sign of conscious awareness. Locked-in syndrome patients also awaken from their coma and are unable to show any motor response to command (except for small eye movements ...
Kleinman Patricia L - - 2010
OBJECTIVE: The purpose of our study was to measure patient size on CT images as a function of age at a large tertiary care children's hospital to develop current patient size data for modeling optimal x-ray exposure factors in children. MATERIALS AND METHODS: Anteroposterior and transverse dimensions of the head, ...
Elaraj Dina M - - 2010
HYPOTHESIS: Additional imaging studies are useful to select patients who are candidates for minimally invasive parathyroidectomy, and referral is not indicated when results from a preoperative sestamibi scan are negative. DESIGN, SETTING, AND PATIENTS: Prospective analysis of 492 operations for primary hyperparathyroidism from May 2005 to May 2007 at a ...
Grogan Eric L - - 2010
Surgery for pulmonary nodules results in a benign diagnosis in 10% to 30% of cases. Computed tomography and fluorodeoxyglucose-positron emission tomography (FDG-PET) are highly sensitive but less specific. High-risk patients (age > 55 years and smoke > 15 pack-years) for lung cancer with negative FDG-PET scans, or low-risk patients (age ...
Lopci E - - 2010
Despite its established utility in non-Hodgkin's lymphoma, not much is reported on FDG positron emission tomography (PET) with respect to radioimmunotherapy (RIT). In this paper we investigate its value in patients affected by follicular lymphoma (FL) before and after treatment with [90Y]Ibritumomab Tiuxetan (Zevalin(R)). We evaluated 38 relapsed or refractory ...
Lopci E - - 2010
AIM: Despite its established utility in non-Hodgkin's lymphoma, not much is reported on FDG positron emission tomography (PET) with respect to radioimmunotherapy (RIT). In this paper we investigate its value in patients affected by follicular lymphoma (FL) before and after treatment with [90Y]Ibritumomab Tiuxetan (Zevalin(R)). METHODS: We evaluated 38 relapsed ...
Ma Chao - - 2010
PURPOSE: To establish the effects of TSH stimulation on the uptake of fluorine-18-labeled 2-fluoro-2-deoxy-d-glucose for differentiated thyroid carcinoma (DTC) with thyroglobulin-positive and scan negative metastases. MATERIALS AND METHODS: We searched the MEDLINE, EMBASE and the Cochrane Library for prospective controlled trials using TSH stimulation as an intervention. The outcomes of ...
Alahmadi Hussein - - 2010
OBJECT: Although brain contusions are a common neurosurgical condition, surprisingly little has been written about their natural history. The purpose of this study was to identify factors that predict radiological and clinically significant progression of this pattern of traumatic brain injury in patients who did not initially require surgery. On ...
Grüning Thomas - - 2010
The use of plasma D-dimer assay has been advocated for the exclusion of pulmonary embolism. We retrospectively looked at 840 patients in whom both ventilation-perfusion scan and D-dimer assay were performed within 48 h. The negative predictive value of a negative D-dimer assay was 96% for emergency admissions and 98% ...
Josephs Keith A - - 2010
OBJECTIVES: To determine patterns of hypometabolism on fluorodeoxyglucose F18 positron emission tomography (FDG-PET) in patients with progressive apraxia of speech (PAS) and primary progressive aphasia (PPA) variants and to use these patterns to further refine current classification. DESIGN: We identified all patients who had FDG-PET and PAS or PPA who ...
Wang Xiao-Yi - - 2010
The tonsils are the most commonly involved primary part of non Hodgkin's lymphoma (NHL) of the head and neck, which usually happens in the Waldeyer's ring. Our study describes the features of computed tomography on enlarged tonsils as a first symptom of NHL and the characteristics of the involved cervical ...
Schacherer D - - 2010
PURPOSE: The aim of our study was to evaluate sono-hepatic-arteriography in patients with hepatocellular carcinoma undergoing transcatheter arterial chemoembolization. MATERIALS AND METHODS: We evaluated 15 patients with hepatocellular carcinoma undergoing TACE who presented in our institution from February 2006 to May 2008. All patients underwent a conventional B-mode ultrasound examination ...
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