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Kumar Mohit M Supramolecular Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore-560064 (India), Fax: - - 2014
Charge-transfer (CT) assemblies of aromatic donor (D) and acceptor (A) molecules have recently gained attention as a promising material for organic electronics and ferroelectrics. Two major factors which govern their functions are the strength of CT interaction and their supramolecular nanostructuring. Here we present coronene-naphthalenediimide (NDI)-based novel D-A pairs that ...
Hahn Lewis D LD 1 Department of Radiology, Yale University School of Medicine, 333 Cedar St, New Haven, CT - - 2014
OBJECTIVE. The objective of our study was to catalog the anatomic features shown on preoperative CT that precluded living-donor liver donation. MATERIALS AND METHODS. We retrospectively reviewed the records of 159 consecutive candidates who were evaluated for potential right or left lobe liver donation from November 2007 to January 2012 ...
Chiang H-J HJ Liver Transplantation Program and Departments of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan; Department of Medical Imaging and Radiological Sciences, College of Health Science, Kaohsiung Medical University, - - 2014
Hepatic steatosis can cause substantial problems for both donors and recipients in living donor liver transplantation (LDLT). The aim of this study is to evaluate the accuracy of the magnetic resonance IDEAL (iterative decomposition of water and fat with echo asymmetry and least squares estimation) sequence in quantifying the liver ...
Klink T T Diagnostic, Interventional, and Pediatric Radiology, INSELSPITAL - Bern University Hospital, - - 2013
Purpose: To assess liver remnant volume regeneration and maintenance, and complications in the long-time follow-up of donors after living donor liver transplantation using CT and MRI. Materials and Methods: 47 donors with a mean age of 33.5 years who donated liver tissue for transplantation and who were available for follow-up ...
Dazzi Francisco Leôncio - - 2013
A crucial aspect of living-donor liver transplant is the risk imposed to the donor due to a procedure performed in a healthy individual that can lead to a high postoperative morbidity rate AIM: To correlate the pre- and intraoperative hepatic imaging findings of living adult donors. From 2003 to 2008 ...
Ragab Aly A University of Chicago Hospitals, - - 2013
A correct preoperative definition of the hepatic duct confluence anatomy of right liver living donors is a pivotal step in determining their candidacy for donation and planning the surgery. The purposes of this study are to evaluate the accuracy of three-dimensional Magnetic Resonance Cholangiography (3D MRCP) when compared with intraoperative ...
Segedi Maja M Department of Surgery, University of British Columbia, Vancouver, BC, Canada. - - 2013
The aim of the present study was to determine the utility of computed tomography (CT) and magnetic resonance imaging (MRI) anatomic mapping in the detection of biliary and vascular anomalies prior to a living liver donor (LLD) operation. A retrospective study of all LLD patient charts, operative and radiology reports ...
Danielsen Else R - - 2013
α-Mannosidosis, OMIM #248500, is an autosomal recessive lysosomal storage disease caused by acidic α-mannosidase deficiency. Treatment options include bone marrow transplantation (BMT) and, possibly in the future, enzyme replacement therapy. Brain magnetic resonance spectroscopy (MRS) enables non-invasive monitoring of cerebral treatment effect. Accumulated cerebral mannose-containing oligosaccharides were demonstrated by MRS ...
Bertagna Francesco - - 2012
Context:Thyroid incidentaloma diagnosed by 2-[18F]-fluoro-2-deoxy-d-glucose positron emission tomography/computed tomography (F-18-FDG-PET/CT) is defined as a thyroid uptake incidentally and newly detected in a patient studied for nonthyroid purpose. In this review, we have comprehensively analyzed the diagnostic and clinical significance of F-18-FDG-PET/CT thyroid incidentalomas revealed during studies performed for an unrelated ...
Meng Zhaowei - - 2012
ABSTRACT: A 56-year-old man who had diffuse bone pain and weight loss for 1 year underwent FDG PET/CT and a dual-tracer, dual-phase parathyroid imaging. The FDG PET/CT scan showed foci of increased metabolism in several bones and the stomach, which were proven histologically as brown tumor and gastritis. The planar ...
Lerman Hedva - - 2012
OBJECTIVE: Positron emission tomography/computed tomography (PET/CT) is an important tool in oncology for assessment of disease extent and recurrence. Recognition of benign fluorodeoxyglucose (FDG) uptake promotes correct interpretation of imaging data. This study assesses the appearance of benign uterine leiomyomas (ULs) on PET/CT and evaluates possible hormonal influences. PATIENTS AND ...
Yin Wenyan - - 2012
Under 980 nm near-infrared (NIR) excitation, upconversion luminescent (UCL) emission of GdF(3) :Yb,Er upconversion nanoparticles (UCNPs) synthesized by a simple and green hydrothermal process can be tuned from yellow to red by varying the concentration of dopant Li(+) ions. A possible mechanism for enhanced red upconverted radiation is proposed. A layer ...
Grossmann Claudia - - 2012
The mineralocorticoid receptor (MR), a member of the steroid receptor superfamily, regulates water-electrolyte balance and mediates pathophysiological effects in the renocardiovascular system. Previously, it was assumed that after binding aldosterone, the MR dissociates from HSP90, forms homodimers, and then translocates into the nucleus where it acts as a transcription factor ...
Ishii Shirou - - 2012
ABSTRACT: An I metaiodobenzylguanidine (MIBG) planar image showed abnormal uptake in the left adrenal gland and thyroid in a 24-year-old woman with multiple endocrine neoplasia type 2A. I MIBG showed abnormal uptake in the thyroid but not in the adrenal gland. Abdominal CT with 2-mm thin slices demonstrated a normal ...
Zhu Yanjie - - 2012
Chest radiologists rely on the segmentation and quantificational analysis of ground-glass opacities (GGO) to perform imaging diagnoses that evaluate the disease severity or recovery stages of diffuse parenchymal lung diseases. However, it is computationally difficult to segment and analyze patterns of GGO while compared with other lung diseases, since GGO ...
Keshari Kayvan R KR Department of Radiology, University of California San Francisco, San Francisco, - - 2012
We report the imaging of β-cyclodextrin-benzoic acid binding at 14T using hyperpolarized (13)C magnetic resonance (MR). Benzoic acid was polarized using a dynamic nuclear polarization (DNP) approach and combined with β-cyclodextrin in aqueous solution. As anticipated, decreases in the spin-lattice relaxation constant (T(1)) were observed with decreases in the ligand-receptor ...
Lania Andrea - - 2012
The widespread use of sensitive neuroradiological imaging studies (i.e. computed tomography scan and magnetic resonance imaging) over the last years lead to the diagnosis of an increased number of asymptomatic pituitary lesions. The management of these so-called "pituitary incidentalomas" is still controversial, due to the limited data so far available ...
Nabaa B - - 2012
BACKGROUND AND PURPOSE:Although radiation induced damage to the salivary gland is a known complication of radioactive iodine ((131)I) therapy for thyroid carcinoma, prediction of the severity and reversibility of sialoadenitis is difficult. Our aim was to correlate the extent of salivary dysfunction assessed by salivary gland scintigraphy with changes in ...
Maffei Pietro - - 2012
This is a case of a 48-year-old man treated with surgery and I for papillary thyroid carcinoma: a follow-up F-FDG PET/CT incidentally evidenced pituitary uptake, also seen in In-octreoscan as increased uptake in the sellar area. MRI confirmed a pituitary mass. The patient did not show any signs or symptoms ...
Beltran Elsa - - 2012
A 7-year-old male neutered domestic short-haired cat had depression for 5 months and acute blindness. A lesion at the level of the rostral and middle cranial fossae was suspected. A large pituitary mass compressing the optic chiasm was detected in magnetic resonance images and there was also evidence of recent ...
Chaudhary Vikas - - 2012
Although thyroid scintigraphy and ultrasound continues to be the mainstay of the diagnostic imaging of the thyroid gland, there have been several recent advances that are of interest to both radiologists and endocrinologists. In this review article, the authors discuss recent progress in imaging of the thyroid by use of ...
Møllerløkken Ole J - - 2012
Magnetic resonance imaging (MRI) is increasing around the world and the possible adverse effects on reproductive health of electromagnetic fields (EMFs) in MRI are not previously studied. A prospective randomized balanced cross-over study using a head scan in real MRI with whole-body transmitting coil and sham MRI among 24 healthy ...
Daraki Vasiliki - - 2012
To describe a rare case of occult (<1cm in diameter) medullary thyroid carcinoma (MTC) in a 45-year-old woman, presenting as an asymptomatic mediastinal mass. The diagnostic methodology included laboratory measurements of relevant biochemical and hormonal parameters including calcitonin (CT), carcinoembryonic antigen (CEA) and chromogranin A, and imaging techniques including ultrasound ...
Nunoi Hiroaki - - 2012
The motilin receptor (MR) belongs to a family of Class I G protein-coupled receptors that also includes growth hormone secretagogue receptor (GHSR). Their potentially unique structure and the molecular basis of their binding and activation are not yet clear. We previously reported that the perimembranous residues in the predicted extracellular ...
Moon Sung Kyoung - - 2012
Extrauterine adenomyomas are rare tumors that present as uterus-like masses. Uterine adenomyomas can show interval changes according to hormone status. However, interval changes in imaging studies have not been reported in adenomyomas. We report a rare case of an extrauterine adenomyoma showing unique interval changes in magnetic resonance imaging.
Wu Haifei - - 2012
A 51-year-old woman presented typical symptoms of a Cushing syndrome. MRI scanning of the pituitary gland showed possible enlargement of the right side of the pituitary gland, suggestive of microadenoma. However, a transsphenoidal pituitary tumor resection failed to relieve the symptoms. An FDG PET/CT was performed to further evaluate this ...
Kranz Peter G - - 2012
We describe the use of CT fluoroscopy as a guidance tool for performing interlaminar epidural steroid injections in the cervical spine. CT fluoroscopy is an alternative method to perform cervical interlaminar steroid injections that allows precise needle placement in the epidural space.
Altay Canan - - 2012
Ectopic thyroid tissue may be observed anywhere from the tongue base to the lower neck. It is rarely seen in the mediastinum and abdominal cavity. Computed tomography and magnetic resonance imaging are very sensitive for detection and localization of ectopic thyroid tissue. This pictorial essay presents the radiological characteristics of ...
Jin Judy - - 2012
Thyroid incidentaloma is defined as an unsuspected, asymptomatic thyroid lesion that is discovered on an imaging study or during an operation unrelated to the thyroid gland. Thyroid incidentalomas are most commonly detected on ultrasound, followed in frequency by computed tomography (CT) and magnetic resonance imaging (MRI), carotid duplex scanning and ...
Kiyonaga M - - 2012
The aim of this study was to evaluate the normal anatomy of the thoracic duct and cisterna chyli obtained by axial and multiplanar reformation (MPR) images of 1 mm slice thickness using multidetector row CT (MDCT). We evaluated the ability of MDCT to examine the normal anatomy of the thoracic ...
Branderhorst Woutjan - - 2012
Ultra-high-resolution SPECT images can be obtained with focused multipinhole collimators. Here we investigate the influence of unwanted high tracer uptake outside the scan volume on reconstructed tracer distributions inside the scan volume, for (99m)Tc-tetrofosmin myocardial perfusion scanning in mice. Simulated projections of a digital mouse phantom (MOBY) in a focusing ...
Couch Marcus J - - 2012
Lung ventilation was mapped in seven healthy male Sprague-Dawley rats (433 ± 24 g) using hyperpolarized (129) Xe magnetic resonance imaging (MRI) at 3.0 T, and validated with hyperpolarized (3) He MRI under similar ventilator conditions. Ventilation maps were obtained using flip angle variation for offset of RF and relaxation ...
He Jia - - 2012
To evaluate diagnostic value of the PISA-PED and PIOPED II criteria for lung scintigraphy and compare it with CT pulmonary angiography (CTPA) for the detection of pulmonary embolism (PE). Five hundred and forty-four consecutive patients with suspected PE were enrolled. All patients underwent lung ventilation/perfusion (V/P) scan, chest radiography, and ...
Suga Kazuyoshi - - 2012
PURPOSE: Intrabullous ventilation in patients with pulmonary emphysema (PE) was cross-sectionally evaluated using dynamic xenon-133 gas single photon emission computed tomography (SPECT). METHODS: Fifty-two patients with PE with a total of 109 bullae of more than 4 cm in maximum diameter underwent xenon-133 gas SPECT. The real xenon-133 gas half-clearance ...
Li Xinchun - - 2012
This study aimed to analyze the computed tomographic (CT) various findings of mucoepidermoid carcinoma of the lung and to improve the diagnostic efficacy for such tumor. Sixteen consecutive patients with mucoepidermoid carcinoma of the lung confirmed by pathology were reviewed retrospectively. All the patients had undergone unenhanced and contrast-enhanced examinations; ...
Ushiyama Toshiki - - 2012
Intrapulmonary schwannoma is uncommon and preoperative radiological diagnosis is rare. Described is a schwannoma that developed as a pulmonary hilar nodule in a 38-year-old woman. The nodule showed strong (18)F-fluorodeoxyglucose uptake with a maximum standard uptake value of 5.98 on positron emission tomography and had a high apparent diffusion coefficient ...
Barreto Miriam M - - 2012
Paracoccidioidomycosis (PCM) is the most common systemic mycosis in Latin America. Although most cases occur in developing countries, recent immigration patterns and an increase in travel have led to a growing number of PCM cases in the United States and Europe. PCM is caused by the dimorphic fungus Paracoccidioides brasiliensis, ...
Ray Charles E CE - - 2012
Pulmonary and mediastinal masses represent a wide range of pathologic processes with very different treatment options. Although advances in imaging (such as PET and high-resolution CT) help in many cases with the differential diagnosis of thoracic pathology, tissue samples are frequently needed to determine the best management for patients presenting ...
Giovanella Luca - - 2012
Abstract Background: We aimed to assess determinants for serum calcitonin (CT) levels and to define reference ranges for different CT immunoassays integrating thyroid ultrasonography (TUS) and conventional clinical and biochemical criteria to select the reference population. Methods: Five hundred and nineteen thyroid-healthy subjects were included in this prospective cross-sectional population ...
Tanaka Ken-Ichiro - - 2012
A 58-year-old woman was admitted due to visual field abnormalities, thirst, polydipsia, polyuria and fever. T1-weighted magnetic resonance imaging revealed an absence of the usual bright signal in the posterior lobe of the pituitary gland, and an enlarged pituitary gland with a thickened stalk was enhanced by the gadolinium contrast ...
Ajler Pablo - - 2012
Pituitary adenomas are a common cause of endocrinal dysfunction, which comprise 10-20% of all intracranial tumors. Although almost all of them arise within the sella turcica, there are some rare cases in which a pituitary adenoma is located outside the intrasellar region, so it is defined as an ectopic pituitary ...
Alkatari Shadin - - 2012
Pituitary tumors from lactotrope cells account for about 40% of all functioning pituitary cancers. Men tend to present with a larger, more invasive and rapid growth prolactinomas than women, possibly because hypogonadism features are less evident. A 27-year-old, previously asymptomatic Saudi man presented with a 3-day history of emesis with ...
Rosenbaum-Krumme S - - 2012
For an adequate therapy planning and staging of patients with differentiated thyroid cancer (DTC), the correct assignment of thyroid remnants (TRs) and lymph node metastases (LMs) is important. We retrospectively analyzed whether kinetic quantities can help improving LM assignment using serial 124I-PET/CT data. 127 patients with a total of 317 ...
Dregely Isabel - - 2012
Hyperpolarized xenon-129 is a noninvasive contrast agent for lung MRI, which upon inhalation dissolves in parenchymal structures, thus mirroring the gas-exchange process for oxygen in the lung. Multiple-exchange-time xenon polarization transfer contrast (MXTC) MRI is an implementation of the XTC MRI technique in four dimensions (three spatial dimensions plus exchange ...
Kano Asami - - 2011
PURPOSE: To investigate radiographic and computed tomography features of radiation-induced organizing pneumonia syndrome after breast-conserving surgery. MATERIALS AND METHODS: The appearances and distribution of lung parenchymal abnormalities were retrospectively analyzed on chest radiographs (n = 12) and computed tomography scan images (n = 10) of 12 women (range 37-78 years, mean 55.8 years) with radiation-induced ...
Minamimoto Ryogo - - 2011
A new tracer, 4'-[methyl-(11)C]-thiothymidine ((11)C-4DST), has been developed as an in vivo cell proliferation marker based on the DNA incorporation method. This study evaluated the potential of (11)C-4DST PET/CT for imaging proliferation in non-small cell lung cancer (NSCLC), compared with (18)F-FDG PET/CT. METHODS: Eighteen patients with lung lesions were examined ...
Zarelli Micaela - - 2011
A seven-month-old Cocker Spaniel had a cough, acute lethargy, decreased responsiveness, and episodes of hyperexcitability. There were bilateral generalized increased lung sounds, bilateral episcleral hemorrhage, and systemic hypertension. Prolonged buccal mucosal bleeding time and elevated D-dimer concentrations were detected. Radiographically, there was a generalized moderate unstructured interstitial pattern. In thoracic ...
Bernstein Peter - - 2012
The sagittal profile of conventionally and surgically treated scoliotic spines is usually analyzed via lateral views of whole-spine X-rays in an upright position. Due to a more hypokyphotic configuration of scoliotic spines, the view onto the upper thoracic vertebrae is often difficult. We investigated whether additional supine MRI measurement supports ...
Miyabara Y - - 2012
Coronary artery disease and osteoporosis increase in women after menopause. Computed tomography (CT) scans of the heart used to evaluate coronary arterial calcification include images of the thoracic vertebrae. The utility of using these images to assess bone health in women remains to be defined. Analyses of thoracic spine volumetric ...
Kyriazis A - - 2011
Pulmonary diseases are known to be largely inhomogeneous. To evaluate such inhomogeneities, we are testing an image-based method to measure gas flow in the lung regionally. Dynamic, spin-density-weighted hyperpolarized 3He MR images performed during slow inhalation of this gas were analyzed to quantify regional inflation rate. This parameter was measured ...
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