A practical approach for a wide range of liver iron quantitation using a magnetic resonance imaging technique [0.03%]
一种实用的肝脏铁定量磁共振影像技术方法
Ping Hou,Uday R Popat,Richard J Lindsay et al.
Ping Hou et al.
The goal of this study is to demonstrate a practical magnetic resonance imaging technique for quantifying a wide range of hepatic iron concentration (HIC) for hematologic oncology patients with transfusion iron overload in a routine clinica...
Ana Laura Calderón-Garcidueñas,Mónica Sanabria-Mondragón,Lourdes Hernández-Beltrán et al.
Ana Laura Calderón-Garcidueñas et al.
Breast density (BD) is a risk factor for breast cancer. Aims. To describe BD patterns in asymptomatic Mexican women and the pathological mammographic findings. Methods and Material. Prospective, descriptive, and comparative study. Women ans...
A retrospective analysis of the clinical impact of 939 chest radiographs using the medical records [0.03%]
基于病历的939例胸部X线回顾性分析
Mats Geijer,Liz Ivarsson,Jan H Göthlin
Mats Geijer
Objective. Between one-third and half of all radiology examinations worldwide are probably chest studies. The aim of the current study was to retrospectively evaluate the clinical influence of chest radiography. Methods. In a tertiary refer...
Parameter optimization for quantitative signal-concentration mapping using spoiled gradient echo MRI [0.03%]
基于扰相梯度回波MRI的定量信号浓度图参数优化方法
Gasser Hathout,Neema Jamshidi
Gasser Hathout
Rationale and Objectives. Accurate signal to tracer concentration maps are critical to quantitative MRI. The purpose of this study was to evaluate and optimize spoiled gradient echo (SPGR) MR sequences for the use of gadolinium (Gd-DTPA) as...
White Matter Atrophy in Patients with Mesial Temporal Lobe Epilepsy: Voxel-Based Morphometry Analysis of T1- and T2-Weighted MR Images [0.03%]
基于体积的形态计量学分析T1和T2加权MR图像的内侧颞叶癫痫患者白质萎缩现象
Barbara Braga,Clarissa L Yasuda,Fernando Cendes
Barbara Braga
Introduction. Mesial temporal lobe epilepsy (MTLE) associated with hippocampal sclerosis is highly refractory to clinical treatment. MRI voxel-based morphometry (VBM) of T1-weighted images has revealed a widespread pattern of gray matter (G...
Entrapment neuropathies in the upper and lower limbs: anatomy and MRI features [0.03%]
上、下肢卡压性神经病的解剖及磁共振影像学表现
Qian Dong,Jon A Jacobson,David A Jamadar et al.
Qian Dong et al.
Peripheral nerve entrapment occurs at specific anatomic locations. Familiarity with the anatomy and the magnetic resonance imaging (MRI) features of nerve entrapment syndromes is important for accurate diagnosis and early treatment of entra...
Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries [0.03%]
双脉冲给药在颈部动脉TWIST-MR血管造影中的应用
Andreas Korn,Michael Fenchel,Till-Karsten Hauser et al.
Andreas Korn et al.
Purpose. The aim of the present work was to test the feasibility of the time-resolved MR-angiography (TWIST-MRA) of cervical arteries using double bolus injection. Material and Methods. TWIST-MRA with a temporal resolution of 8.4 seconds fo...
Invalidity of SUV Measurements of Lesions in Close Proximity to Hot Sources due to "Shine-Through" Effect on FDG PET-CT Interpretation [0.03%]
FDG PET/CT诊断中因"穿透"导致的SUV测量偏差导致邻近高放射性病灶出现伪像
Yiyan Liu
Yiyan Liu
It is well known that many technical and physiologic factors can affect the reliability of the standardized uptake value (SUV) on FDG PET-CT. Another potential problem of which we may be aware but has not been previously discussed is signif...
Microradiography of microcalcifications in breast specimen: a new histological correlation procedure and the effect of improved resolution on diagnostic validity [0.03%]
乳腺标本中微钙化的微放射照相术：一种新的组织学关联程序以及分辨率提高对诊断有效性的效果
H-J Langen,S Koehler,J Bielmeier et al.
H-J Langen et al.
Introduction. Does high-resolution visualization of microcalcifications improve diagnostic reliability? Method. X-rays were taken of mamma specimens with microcalcifications in 32 patients (10 malignant; 22 benign) using conventional radiog...
The influence of effective energy on computed tomography number depends on tissue characteristics in monoenergetic cardiac imaging [0.03%]
有效能量对计算断层扫描数的影响依赖于单色心脏成像中的组织特性
Satoshi Okayama,Tsunenari Soeda,Yasuhiro Takami et al.
Satoshi Okayama et al.
Purpose. To evaluate the influence of effective energy on computed tomography (CT) number in monoenergetic images (MEIs). Methods. Three bottle phantoms filled with water, oil, and a contrast agent were scanned at 100 and 140 kVp tube energ...