Quadrature transmit array design using single-feed circularly polarized patch antenna for parallel transmission in MR imaging.

abstract：Background:To explore the correlation between intracranial pressure (ICP) and cerebrospinal fluid (CSF) parameters assessed by phase-contrast cine MRI (PC-MRI). Methods:Fifteen normal people and 80 subjects with communicating hydrocephalus who underwent PC-MRI examinations from a single center were included in this cr...

journal_title：Quantitative imaging in medicine and surgery

authors： Long J,Lin H,Cao G,Wang MZ,Huang XJ,Xia J,Sun Z

更新日期：2019-08-01 00:00:00

abstract：Background:The aim of this study was to prospectively evaluate the diagnostic efficacy of diffusion kurtosis imaging (DKI) in predicting microvascular invasion (MVI) and histologic grade of hepatocellular carcinoma (HCC) with comparison to the conventional diffusion-weighted imaging (DWI). Methods:This prospective stu...

journal_title：Quantitative imaging in medicine and surgery

authors： Cao L,Chen J,Duan T,Wang M,Jiang H,Wei Y,Xia C,Zhou X,Yan X,Song B

更新日期：2019-04-01 00:00:00

abstract：Background:To investigate the feasibility of using quantitative ultrashort echo time magnetization transfer (UTE-MT) technique in diagnosing early cartilage degeneration and to compare the technique's diagnostic efficacy with UTE-T2* mapping and T2 mapping. Methods:Twenty human anterolateral condyle specimens with deg...

journal_title：Quantitative imaging in medicine and surgery

authors： Yang J,Shao H,Ma Y,Wan L,Zhang Y,Jiang J,Du J,Tang G

更新日期：2020-01-01 00:00:00

abstract：:Sixty percent of vascular anomalies in children are found in the head and neck. These lesions can present throughout antenatal, perinatal and childhood development. They broadly fall into two categories: vascular tumours and vascular malformations. Their clinical and, often, psychological impact is determined by both ...

journal_title：Quantitative imaging in medicine and surgery

authors： Mahady K,Thust S,Berkeley R,Stuart S,Barnacle A,Robertson F,Mankad K

更新日期：2015-12-01 00:00:00

abstract：:Parallel transmission or excitation has been suggested to perform multi-dimensional spatial selective excitation to shorten the pulse width using a coil array and the sensitivity information. The mutual coupling between array elements has been a critical technical issue in RF array designs, which can cause artifacts o...

journal_title：Quantitative imaging in medicine and surgery

authors： Pang Y,Zhang X

更新日期：2011-12-01 00:00:00

abstract：PURPOSE:To investigate the imaging manifestations of Pneumocystis Jiroveci Pneumonitis (PCP) in AIDS patients, and the correlation between imaging features, CD(4) (+) lymphocyte count, and plasma HIV viral load. MATERIALS AND METHODS:A total of consecutive 50 AIDS patients with PCP were reviewed retrospectively. Chest...

journal_title：Quantitative imaging in medicine and surgery

authors： Lu PX,Deng YY,Liu ST,Liu Y,Liu YX,Wang YX,Zhu WK,Le XH,Yu WY,Zhou BP

更新日期：2012-06-01 00:00:00

abstract：Background:The present study aimed to investigate whether dual-phase F-18 sodium-fluoride (NaF) positron emission tomography/computed tomography (PET/CT) could improve the diagnostic accuracy of detecting bone metastasis in cancer patients with a solitary bone lesion compared to conventional F-18 NaF PET/CT. Methods:W...

journal_title：Quantitative imaging in medicine and surgery

authors： Lee JW,Park YJ,Jeon YS,Kim KH,Lee JE,Hong SH,Lee SM,Jang SJ

更新日期：2020-11-01 00:00:00

abstract：:Medically intractable temporal lobe epilepsy (TLE) remains a serious health problem. Across treatment centers, up to 40% of patients with TLE will continue to experience persistent postoperative seizures at 2-year follow-up. It is unknown why such a large number of patients continue to experience seizures despite bein...

journal_title：Quantitative imaging in medicine and surgery

authors： Bonilha L,Keller SS

更新日期：2015-04-01 00:00:00

abstract：Background:The factors influencing common iliac artery aneurysm (CIA) growth are not fully known. Intraluminal thrombus (ILT) has been studied as a marker of growth in abdominal aortic aneurysms (AAA), but its role in CIAs is unknown. This study aims to examine the factors associated with growth of CIAs coexistent with...

journal_title：Quantitative imaging in medicine and surgery

authors： Wang Y,Zhu C,Leach J,Gasper W,Saloner D,Hope M

更新日期：2020-03-01 00:00:00

abstract：:The kidney is the third most common abdominal organ to be injured in trauma, following the spleen and liver, respectively. The most commonly used classification scheme is the American Association for the Surgery of Trauma (AAST) classification of blunt renal injuries, which grades renal injury according to the size of...

journal_title：Quantitative imaging in medicine and surgery

authors： Loffroy R,Chevallier O,Gehin S,Midulla M,Berthod PE,Galland C,Briche P,Duperron C,Majbri N,Mousson C,Falvo N

更新日期：2017-08-01 00:00:00

abstract：:This paper describes a quantitative approach to understanding the signal, contrast and weighting of magnetic resonance (MR) images. It uses the concept of pulse sequences as tissue property (TP) filters and models the signal, contrast and weighting of sequences using either a single TP-filter (univariate model) or sev...

journal_title：Quantitative imaging in medicine and surgery

authors： Young IR,Szeverenyi NM,Du J,Bydder GM

更新日期：2020-05-01 00:00:00

abstract：AIM:Pediatric renal biopsy may result in serious hemorrhagic complications, requiring additional diagnostic procedures, blood transfusion, vascular interventions, and prolongation of hospitalization. The aim of the present study was to propose the angled tangential approach technique for real-time ultrasound-guided ped...

journal_title：Quantitative imaging in medicine and surgery

authors： Cakmakci E,Caliskan KC,Turkoglu OK,Cakmakci S,Ozcelik G,Yilmaz E,Turk S,Ozagari A,Ucan B

更新日期：2014-06-01 00:00:00

abstract：:With the rapid development of computer technology, surgical training, and the digitalized teaching of human body morphology are gaining prominence in medical education. Accurate, true organ models are essential digital material for these computer-assisted systems. However, no direct three-dimensional (3D) true organ m...

journal_title：Quantitative imaging in medicine and surgery

authors： Liu B,Zhang X,Yang L,Zhang J

更新日期：2020-04-01 00:00:00

abstract：Background:To evaluate the reliability and reproducibility of quantitative susceptibility mapping (QSM) in the lumbar vertebra. Methods:From May 2017 to September 2017, 61 subjects who underwent QSM MRI and quantitative computed tomography (QCT) were consecutively enrolled in this prospective study. QSM examination wa...

journal_title：Quantitative imaging in medicine and surgery

authors： Zhang X,Guo Y,Chen Y,Mei Y,Chen J,Wang J,Feng Y,Zhang X

更新日期：2019-04-01 00:00:00

abstract：:The magnetic resonance spectroscopic imaging (MRSI) is the only technique that is currently available in the clinical practice to provide the metabolic status of prostate tissue at the cellular level with a great potential to improve the clinical patient care. Increasing the field strength from 1.5 to 3 T can theoreti...

journal_title：Quantitative imaging in medicine and surgery

authors： Choi H,Underwood M,Boonsirikamchai P,Matin S,Troncoso P,Ma J

更新日期：2014-08-01 00:00:00

abstract：Background:Femoral pseudoaneurysm (PA) is a frequent complication of arterial access for endovascular procedures. Surgery has traditionally been considered as the gold standard of therapy. We aimed to report our experience of percutaneous ultrasound (US)-guided balloon-assisted embolization with cyanoacrylate glue for ...

journal_title：Quantitative imaging in medicine and surgery

authors： Griviau L,Chevallier O,Marcelin C,Nakai M,Pescatori L,Galland C,Midulla M,Falvo N,Loffroy R

更新日期：2018-09-01 00:00:00

abstract：:Parallel excitation (pTx) techniques with multiple transmit channels have been widely used in high field MRI imaging to shorten the RF pulse duration and/or reduce the specific absorption rate (SAR). However, the efficiency of pulse design still needs substantial improvement for practical real-time applications. In th...

journal_title：Quantitative imaging in medicine and surgery

authors： Feng S,Ji J

更新日期：2014-04-01 00:00:00

abstract：Background:Our hospital is a designated institution for COVID-19 patients in Chengdu, China. This study aimed to analyze the clinical and chest CT features of 15 COVID-19 patients with positive reverse transcription-polymerase chain reaction (RT-PCR) retest results after discharge. Patients who met the current standard...

journal_title：Quantitative imaging in medicine and surgery

authors： Li C,Luo F,Xie L,Gao Y,Zhang N,Wu B

更新日期：2020-06-01 00:00:00

abstract：:Patients with iatrogenic iliac arteriovenous fistulas (IAVFs) after lumbar discectomy surgeries (LDSs) from our hospital and the published literature were reviewed in order to better understand this clinical phenomenon. Literature from databases about iatrogenic IAVFs after LDSs were retrieved and a patient from our h...

journal_title：Quantitative imaging in medicine and surgery

authors： Yan GW,Li HW,Yang GQ,Bhetuwal A,Liu JP,Li Y,Fu QS,Zhao LW,Chen H,Hu N,Wu L,Yan J,Wang W,Shuang JY,Ge J

更新日期：2019-06-01 00:00:00

abstract：Background:18F-FDG positron emission tomography (PET) is a reliable technique to quantify regional neural glucose metabolism even with major depressive disorder (MDD) heterogeneous features. Previous study proposed that in the resting-state (RS), pairs of brain regions whose regional glucose metabolic rates were signif...

journal_title：Quantitative imaging in medicine and surgery

authors： Su H,Zuo C,Zhang H,Jiao F,Zhang B,Tang W,Geng D,Guan Y,Shi S

更新日期：2018-10-01 00:00:00

abstract：:In this pictorial review, MR imaging findings of deep infiltrating endometriosis (DIE) are illustrated together with surgical correlation. DIE can appear as irregular nodules or plaques with similar signal intensity to muscle on both T1-weighted and T2-weighted images. Hemorrhage foci and strands or stellate margins a...

journal_title：Quantitative imaging in medicine and surgery

authors： Tang X,Ling R,Gong J,Mei D,Luo Y,Li M,Xu J,Ma L

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND:Increased metabolic activity of fluorodeoxyglucose (FDG) in tissue is not only resulting of pathological uptake, but due to physiological uptake as well. This study aimed to determine the impacts of biological and procedural factors on FDG uptake of liver in whole body positron emission tomography/computed t...

journal_title：Quantitative imaging in medicine and surgery

authors： Mahmud MH,Nordin AJ,Ahmad Saad FF,Azman AZ

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND:Optical-resolution photoacoustic microscopy (OR-PAM) is a high-resolution imaging technology capable of label-free imaging of the morphology and functions of the microvasculature in vivo. Previous studies of angiogenesis by OR-PAM were carried out primarily with transgenic mice and the mouse ear model. While...

journal_title：Quantitative imaging in medicine and surgery

authors： Lin R,Chen J,Wang H,Yan M,Zheng W,Song L

更新日期：2015-02-01 00:00:00

abstract：:The U.S. National Library of Medicine has made two datasets of postero-anterior (PA) chest radiographs available to foster research in computer-aided diagnosis of pulmonary diseases with a special focus on pulmonary tuberculosis (TB). The radiographs were acquired from the Department of Health and Human Services, Mont...

journal_title：Quantitative imaging in medicine and surgery

authors： Jaeger S,Candemir S,Antani S,Wáng YX,Lu PX,Thoma G

更新日期：2014-12-01 00:00:00

abstract：:In this work we determined the contributions of loud sound exposure (LSE) on cochlear blood flow (CoBF) in an in vivo anesthetized mouse model. A broadband noise system (20 kHz bandwidth) with an intensity of 119 dB SPL, was used for a period of one hour to produce a loud sound stimulus. Two techniques were used to st...

journal_title：Quantitative imaging in medicine and surgery

authors： Reif R,Zhi Z,Dziennis S,Nuttall AL,Wang RK

更新日期：2013-10-01 00:00:00

abstract：Background:To study the predictive value of semi-quantitative pleural effusion and pulmonary consolidation for acute pancreatitis (AP) severity. Methods:Thorax-abdominal computed tomography (CT) examinations were performed on 309 consecutive AP patients in a single center. Among them, 196 were male, and 113 were femal...

journal_title：Quantitative imaging in medicine and surgery

authors： Peng R,Zhang L,Zhang ZM,Wang ZQ,Liu GY,Zhang XM

更新日期：2020-02-01 00:00:00

abstract：:Optical microangiography is an imaging technology that is capable of providing detailed functional blood flow maps within microcirculatory tissue beds in vivo. Some practical issues however exist when displaying and quantifying the microcirculation that perfuses the scanned tissue volume. These issues include: (I) Pro...

journal_title：Quantitative imaging in medicine and surgery

authors： Yousefi S,Qin J,Zhi Z,Wang RK

更新日期：2013-02-01 00:00:00

abstract：Background:Tumor-associated macrophages (TAMs) are one of the most abundant immune cell types in solid tumors and implicated in tumor progression. Toll-like receptor 4 (TLR4) is expressed in TAMs and plays a key role in immune surveillance and tumor progression. Therefore, molecular imaging of TLR4 has potential not on...

journal_title：Quantitative imaging in medicine and surgery

authors： Ji Y,Wang Z,Bao K,Park GK,Kang H,Hu S,McDonald E,Kim MS,Kashiwagi S,Choi HS

更新日期：2019-09-01 00:00:00

abstract：:Optical coherence tomography based microangiography (OMAG) is a new, non-invasive imaging modality capable of providing three dimentional (3D) retinal and choroidal microvascular maps without a need for exogenous dye. In this study, we evaluated the retinal and choroidal microvascular architecture of the macula in a p...

journal_title：Quantitative imaging in medicine and surgery

authors： Kam J,Zhang Q,Lin J,Liu J,Wang RK,Rezaei K

更新日期：2016-04-01 00:00:00

abstract：Background:The adult human heart cannot efficiently generate new cardiac muscle cells in response to injury, and, therefore, cardiac injury results in irreversible damage to cardiac functions. The zebrafish (Danio rerio) is a crucial animal model in cardiac research because of its remarkable capacity for tissue regener...

journal_title：Quantitative imaging in medicine and surgery

authors： Ho-Chiang C,Huang H,Huang CC

更新日期：2020-01-01 00:00:00