Search Results
Results 401 - 450 of 1519
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Ghigi Giulia - - 2009
OBJECTIVE: In patients with soft tissue sarcoma (STS) the histological response (tumour grade regression: TGR) to neoadjuvant chemoradiotherapy (CRT) may influence the outcome. The main aim of the study was to evaluate the predictive value of 11C-methionine (MET) and 18F-FDG PET/CT in patients with STS treated with neoadjuvant CRT, correlating ...
Veeramachaneni Nirmal K - - 2009
OBJECTIVE: Widespread application of computed tomographic scans has increased detection of asymptomatic pulmonary nodules. A dedicated clinic was established to encourage referral and manage large numbers of patients with such nodules. METHODS: Patients were evaluated periodically by a nurse practitioner with surgeon oversight, and follow-up imaging was centralized. Patients were ...
Balachandran Jay S - - 2009
Prolonged sedation is common in mechanically ventilated patients and is associated with increased morbidity and mortality. We sought to determine the diagnostic value of head computed tomography (CT) in mechanically ventilated patients who remain unresponsive after discontinuation of sedation. A retrospective review of adult (age >18 years of age) patients ...
Kasper Bernd - - 2009
We used 2-deoxy-2-[(18)F] fluoro-D-glucose (FDG) positron emission tomography (PET) to evaluate the FDG uptake in patients with advanced and/or metastatic soft tissue sarcoma (STS) undergoing therapy with Ecteinascidin-743 (ET-743, Trabectedin, Yondelis). The pilot study included nine patients with metastatic STS receiving a minimum of one cycle of treatment with trabectedin. ...
van Gent Marco W F - - 2009
RATIONALE: Pulmonary arteriovenous malformations (PAVMs) are associated with severe neurologic complications in patients with hereditary hemorrhagic telangiectasia (HHT). Therefore, screening is warranted. Transthoracic contrast echocardiography (TTCE) can effectively detect a pulmonary right-to-left shunt (RLS). OBJECTIVES: To determine prospectively the predictive value of TTCE grading to detect PAVMs on high-resolution CT ...
Okada F - - 2009
The aim of this study was to retrospectively compare high-resolution CT findings among cryptogenic organizing pneumonia (COP) patients with normal and elevated serum KL-6 levels. Chest CT scans performed between April 1999 and April 2007 in 20 COP patients with a normal KL-6 level and 17 COP patients with an ...
Karabulut Nevzat - - 2008
PURPOSE: To compare the frequency of pleural and parenchymal abnormalities detected on computed tomography (CT) in patients with and without acute pulmonary embolism (PE), and to investigate whether the pleuroparenchymal findings correlate with the severity of PE. MATERIALS AND METHODS: We retrospectively reviewed contrast-enhanced CT scans acquired in 128 patients ...
Chuck Anderson - - 2008
There is evidence that combination therapy (CT) in the form of long-acting beta(2)-agonists (LABAs) and inhaled corticosteroids can improve lung function for patients with chronic obstructive pulmonary disease (COPD). To determine the cost-effectiveness of using CT in none, all or a selected group of COPD patients. A Markov model was ...
Sánchez Lázaro I J - - 2008
The application of clinical trials (CTs) to daily practice is based on the assumption that the patients included in these trials are similar to those seen on a daily basis. We performed a retrospective study to evaluate patient survival depending on whether they were included in a CT. We studied ...
Hadjivassiliou M - - 2009
BACKGROUND: The role of PET in the diagnosis of paraneoplastic neurological syndromes (PNS) has previously been reported in retrospective studies, from specialized neuro-oncology units, often selecting patients with positive paraneoplastic antibodies. OBJECTIVES: To prospectively assess the usefulness of PET in detecting malignancy in patients clinically suspected of having PNS. METHODS: ...
Arakawa Hiroaki - - 2008
OBJECTIVE: The objective of our study was to evaluate serial CT changes from normal or near-normal lungs to honeycomb lungs in dust-exposed patients who developed chronic interstitial pneumonia. MATERIALS AND METHODS: From the records of the national hospital for pneumoconiosis, we retrospectively identified patients with chronic interstitial pneumonia who were ...
Karahocagil Mustafa Kasim - - 2011
To present the results of a cross-sectional epidemiological analysis of a familial outbreak of fascioliasis in Eastern Anatolia and to discuss the clinical, diagnostic and therapeutic properties of the patients. A screening group consisting of 92 individuals from the same family with a history of watercress ingestion and a control ...
Wassélius Johan - - 2008
Graft infection is a serious complication to vascular surgery. The aim of this study was to assess (18)F-FDG uptake in vascular grafts in patients with or without symptoms of graft infection. METHODS: In all 2,045 patients examined by PET/CT at our clinic, 16 patients with synthetic aortic grafts were identified ...
Qerama Erisela - - 2009
BACKGROUND: There exits some similarity between symptoms of carpal tunnel syndrome (CTS) and myofascial pain related to trigger points (TPs) in the infraspinatus muscle. AIM: The aim was to examine what proportion of patients referred with a clinical suspicion of CTS had myofascial pain in the infraspinatus muscles and how ...
Sakuhara Yusuke - - 2008
BACKGROUND: To evaluate the vascular supply of regions of the pancreas on computed tomography (CT) during arteriography with selective catheterization. METHODS: Thirteen patients were included. In each patient we performed conventional arteriography followed by CT during arteriography of each of the arteries: the superior mesenteric artery (SMA), gastroduodenal artery (GDA), ...
Stermer Edy E Gastroenterology Service, Bnai Zion Medical Center, Technion-Israel Institute of Technology, Haifa, Israel. - - 2008
The clinical significance of colorectal wall thickening (CRWT) in patients undergoing abdominal computed tomography (CT) has not yet been definitively established. To compare alleged findings on abdominal CT with those of a follow-up colonoscopy. Ninety-four consecutive patients found to have large-bowel abnormalities on abdominal CT were referred for colonoscopy. Of ...
Scott Andrew M - - 2008
The aims of our study were to examine the impact of PET in changing management in patients with proven or suspected colorectal cancer recurrence and to assess the impact of management change on disease-free survival. METHODS: Symptomatic patients with a residual structural lesion suggestive of recurrent tumor (group A) or ...
Stiver Shirley I - - 2008
OBJECT: The "syndrome of the trephined" is an uncommon and poorly understood disorder of delayed neurological deficit following craniectomy. From the authors' extensive experience with decompressive hemicraniectomy for traumatic brain injury (TBI), they have encountered a number of patients who developed delayed motor deficits, also called "motor trephine syndrome," and ...
Watadani Takeyuki - - 2008
PURPOSE: Our aim was to investigate the diagnostic reliability of multidetector-row computed tomography (MDCT) for preoperative assessment of local tumoral spread in hilar cholangiocarcinoma. MATEIRALS AND METHODS: Thirteen of 30 consecutive patients with hilar cholangiocarcinoma who underwent surgery, excluding 17 patients who underwent biliary drainage or preoperative portal embolization, were ...
Tarzi Ruth M - - 2008
Encapsulating peritoneal sclerosis (EPS) is a severe peritoneal fibrotic reaction in patients on long-term peritoneal dialysis (PD). The early clinical features may be nonspecific. The purpose of the study is to assess the reliability and diagnostic utility of abdominal CT scanning in the diagnosis of EPS. Abdominopelvic CT scans of ...
Mihai Radu - - 2008
BACKGROUND: Functional imaging using (123)I-meta-iodo-benzyl-guanetidine (MIBG) scintigraphy has alleged 100% specificity for phaeochromocytoma (PHAEO). Its benefit in patients with biochemical diagnosis of PHAEO is arguable when cross-sectional radiology can demonstrate the side-size of the adrenal tumours. MATERIALS AND METHODS: This is a retrospective review of clinical notes of patients undergoing ...
Koopmans Klaas Pieter - - 2008
In this study, we evaluated the diagnostic yield of somatostatin receptor scintigraphy (SRS), I-metaiodobenzylguanidine (MIBG) scintigraphy, and morphologic imaging (CT or MRI) in patients with head and neck paragangliomas. METHODS: In a university hospital setting, patients considered to have head and neck paraganglioma were referred to the outpatient endocrinology department ...
Bogsrud Trond Velde - - 2008
BACKGROUND: Anaplastic thyroid carcinoma (ATC) is one of the most aggressive solid tumors in humans. The use of positron emission tomography (PET) with 18F-fluorodeoxyglucose (18F-FDG) in ATC has not been studied, and only a few case reports have been published. The objective of this study was to investigate the potential ...
Bankier Alexander A - - 2008
In computed tomographic (CT) examinations of the lung, accurate visualization of the natural contrast between the low attenuation of air and the relatively higher attenuation of vessels, airways, and interstitial structures requires cooperative and coordinated respiratory maneuvers by the patient. Inadequate respiratory maneuvers can influence differences in lung attenuation and ...
Zuijdwijk Marc D - - 2008
AIM: In differentiated thyroid carcinoma, persistent plasma thyroglobulin (Tg) is a specific marker for persistent or recurrent disease after thyroidectomy and radioiodine ablation. When Tg remains elevated and no substrate can be found on whole-body radioiodine imaging (131I-WBS), or even when recurrent disease is suspected with normal Tg, conventional imaging ...
DeMonaco Nicholas A - - 2008
Pulmonary embolism causes significant morbidity in hospitalized patients, yet few studies have explored the impact of spiral computed tomography (CT) scanning on diagnosis and clinical outcome. Incidence rates of pulmonary embolism, chest and spiral CT rates, D-dimer assay, anticoagulation, and in-hospital mortality were assessed on statewide pulmonary embolism discharge data ...
Lee Jae Yong - - 2008
CONCLUSION: This study observed a much higher percentage of unilateral sinus pathology than reported in the literature. Comprehensive evaluations of patient age, presenting symptoms, nasoendoscopy examination, and computed tomography (CT) findings help in the diagnosis of unilateral sinus disease. Nevertheless, histological confirmation remains obligatory for diagnosis. OBJECTIVES: To evaluate the ...
Sucak G T - - 2008
One hundred eleven patients who received 125 hematopoetic stem cell transplantations (HSCT) with myeloablative conditioning regimens were retrospectively evaluated for the development of cardiac toxicity (CT). The aims of this study were to assess the frequency of cardiac complications in patients receiving HSCT and to investigate the value of pretransplantation ...
Chang Ming-Che - - 2008
We present a 57-year-old man who had low-grade fever and painful, swollen and erythematous ears. Gallium-67 citrate scintigraphy (gallium scan) performed prior to the commencement of treatment showed increased gallium uptake in bilateral external ears, neck, mediastinum and bilateral pulmonary hili. The results of ultrasonography of both ears were compatible ...
Shimada Kazuyuki - - 2008
To evaluate the role of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) in intravascular large B-cell lymphoma (IVLBCL), we retrospectively analyzed four consecutive IVLBCL patients receiving FDG-PET before treatment between May 2006 and November 2007. Patients were two men and two women (median age 62 years, range 54-76 years). All patients received ...
Barraclough Katherine A KA Division of Nephrology, University of British Columbia, Vancouver, British Columbia, Canada. - - 2008
Coronary artery calcification (CAC) is prevalent in patients with chronic kidney disease (CKD). Data on the reliability and validity of high-resolution computerized tomography (HRCT) in patients with CKD is lacking. The purpose of this study was to evaluate the inter- and intra-reviewer agreement and inter-scan reproducibility of CACS measurement with ...
Santamaria Francesca - - 2008
BACKGROUND: High-resolution CT (HRCT) scan data on primary ciliary dyskinesia (PCD) related lung disease are scarce. STUDY OBJECTIVES: We evaluated the lung disease in children and adults with PCD by a modified Brody composite HRCT scan score to assess the prevalence of the structural abnormalities; to evaluate the correlation among ...
Lal Suman - - 2008
The influence of three high frequency ABCB1 polymorphisms (c.1236C>T, c.2677G>A/T, and c.3435C>T) and the ABCG2 c.421C>A polymorphism on the disposition of doxorubicin in Asian breast cancer patients receiving adjuvant chemotherapy was investigated in the present study. The allelic frequency of the ABCB1 c.1236T, c.2677T, c.2677A, and c.3435T variants were 60%, ...
Lan X-L - - 2008
AIM: To assess the clinical value of dual time point 2-[(18)F]-fluoro-2-deoxy-d-glucose positron emission tomography ((18)F-FDG PET) imaging for the differentiation between malignant and benign lesions. MATERIALS AND METHODS: Ninety-six patients (28 patients with primary lung cancer, 18 patients with digestive system carcinoma, 13 patients with other malignant tumours, and 37 ...
Kuroishi S - - 2008
To evaluate the prognostic implications of computed tomography (CT) findings in assessing responses to treatment in Mycobacterium avium complex (MAC) pulmonary disease without underlying lung disease, high-resolution (HR)CT findings were correlated based on the results of sputum conversion after anti-MAC therapy. A total of 59 patients underwent HRCT before treatment ...
Pannu Harpreet K - - 2008
OBJECTIVE: To determine the effectiveness of oral medications in lowering the resting heart rate (HR) for coronary computed tomographic angiography (CTA). BACKGROUND: The protocol of premedication for cardiac CTA is variable in terms of type, dose, route, and timing of administration. METHODS: Nursing records were retrospectively reviewed in 238 consecutive ...
Salvatore B - - 2008
AIM: The aim of this study was to evaluate the role of 18F fluorodeoxyglucose-positron emission tomography (FDG-PET), differentiated thyroid carcinoma (DTC) treated with therapeutic (131)I because of elevated thyroglobulin (Tg) levels during follow up. The results of FDG-PET/CT were compared with post-therapy (131)I whole body scan (131I-t-WBS) and Tg at ...
Toiviainen-Salo Sanna - - 2008
OBJECTIVE: To assess the prevalence, predictors, and course of bronchiectasis in patients with cartilage-hair hypoplasia. STUDY DESIGN: Patients who had undergone high-resolution computed tomography of the lungs or bronchography were included in the study. Hospital records were coorelated for clinical features, respiratory symptoms, and laboratory variables. Imaging studies were correlated ...
Kiroğlu Yilmaz - - 2008
PURPOSE: The purpose of this study was to evaluate the association of asymmetric lateral ventricle (ALV) with clinical and structural pathologies and assess its clinical importance. MATERIALS AND METHODS: We analyzed 170 consecutive ALV cases on computed tomography (CT) and 170 control group patients with normal head CT. Patients who ...
Gumina Stefano - - 2008
The assumption that subacromial space decreases in patients with thoracic hyperkyphosis arises from sporadic and personal observations. The purpose of this study was to compare width of subacromial space calculated on radiographs and CT scans of a high number of patients with thoracic hyperkyphosis that registered on exams of healthy ...
Nguyen Elsie T - - 2008
OBJECTIVE: The aim of our study was to review the radiologic findings of community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) pneumonia. MATERIALS AND METHODS: The hospital infection control computer database was used to identify patients who had a CA-MRSA infection with organisms isolated from blood, bronchoalveolar lavage fluid, or pleural fluid samples. ...
Mulatero Paolo P Department of Medicine and Experimental Oncology, University of Torino, 10126 Torino, Italy. - - 2008
In patients with primary aldosteronism (PA), it is fundamental to distinguish between subtypes that benefit from different therapies. Computed tomography (CT) scans lack sensitivity and specificity and must be followed by adrenal venous sampling (AVS). Because AVS is not widely available, a list of clinical criteria that indicate the presence ...
Phan Ha T T - - 2008
The purpose of this prospective study was to evaluate the clinical diagnostic value of iodine-124 (124I)-positron emission tomography (PET) in patients with advanced differentiated thyroid carcinoma (DTC) and to compare the 124I-PET imaging results with the 131I whole-body scan (WBS). Twenty patients with histologically proven advanced DTC (including T4, extra-nodal ...
Lakadamyali H - - 2008
The goal of the present study was to discuss thoracic problems in symptomatic hemodialysis patients based on the CT findings among 64 uremic patients including 34 females and 30 males of age range 14 to 83 years (mean = 61 years). We retrospectively documented complaints of cough, dyspnea, low-grade pyrexia, ...
Vlaar Annemarie M M - - 2008
BACKGROUND: Transcranial duplex sonography (TCD) of the substantia nigra has emerged as a promising, non-invasive tool to diagnose idiopathic Parkinson's disease (IPD). However, its diagnostic accuracy in patients with undefined parkinsonism remains to be determined. In this study we determined the predictive value of TCD for the clinical diagnosis in ...
Krautsevich Liudmila - - 2008
INTRODUCTION: The problem of maxillofacial and neck tissue inflammatory diseases constantly draws attention of otolaryngologists and maxillofacial surgeons in assosiation with steady frequency of pathology. Despite a modern antibiotic therapy, there still exist cases in which an initial delay in diagnosis and treatment may result in a life-threatening situation. MATERIAL ...
Płachcińska Anna - - 2008
The aim of this study was to evaluate the effect of the CT-derived attenuation correction on (99m)Tc-MIBI normal myocardial perfusion scintigrams. Rest perfusion scintigrams of patients in whom coronary artery disease was suspected, without a history or any signs in ECG of a myocardial infarction, were analysed. Patients were included ...
El-Galley Rizk - - 2008
OBJECTIVE: The majority of patients with microscopic hematuria undergo a complete evaluation resulting in negative findings. The outcome of patients with hematuria was analyzed in an effort to optimize the use of investigations. PATIENTS AND METHODS: The records for 404 patients who presented with hematuria were reviewed. Data were collected ...
Erbil Yeşim - - 2008
BACKGROUND: Although the sensitivity of sestamibi scanning (MIBI) is high in patients with solitary parathyroid adenomas, negative sestamibi scan results are inevitable. The exact mechanism of visualization of abnormal and hyperfunctioning parathyroid tissue is not yet clear. The aims of this clinical study were (1) to evaluate positive and negative ...
Jamadar David A - - 2008
OBJECTIVE: This article evaluates the utility of performing a focused musculoskeletal sonography examination on the basis of patients' presenting complaints. MATERIALS AND METHODS: Six hundred two patients evaluated over 6 months were scanned using a routine protocol. At the completion of the routine examination, each patient was asked to indicate ...
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