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An accurate characterization of glioma heterogeneity is essential when determining tumor grade and the most appropriate therapy target. Non-invasive imaging modalities such as MR perfusion imaging (PWI) and 2D proton MR spectroscopic imaging (MRSI) can provide functional and metabolic information about the tumor to assist in thi.. Read More
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Findings of High B-Value Q-Space Imaging of the Brain in Children with Neurofibromatosis 1
A relatively new imaging technique, q-space imaging (QSI), uses multiple b-values to generate displacement profiles of diffusing molecules. Unidentified bright objects observed in children affected by neurofibromatosis have been reported to display increased apparent diffusion coefficient values compared to normal-appearing brai.. Read More
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Management and Optimisation of the Dose in Computed Tomography via a Dose Tracking Software
Introduction: Computed Tomography (CT) produces high quality diagnostic images at the expense of increased radiation dose compared to routine radiographic examinations. The dose from the CT examinations can be reduced by controlling certain scanning parameters and optimising the employed practices. In this study a patient dosetr.. Read More
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Purpose: Effective fat suppression is a fundamental aspect of diagnostic quality breast MR for cancer screening but is challenging at 3T due to higher B0 and B1 magnetic field inhomogeneities compared with 1.5T. The purpose of this study is to describe a technique to achieve consistent homogeneous, dark fat suppression for T1 br.. Read More
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Duplication of Gall bladder: Review of Literature and Report of a Case
The gallbladder duplication consider a rare anatomic malformation, it can now be detected by preoperative multiple imaging study. The preoperative diagnosis is very important to avoid potential damage to the duct system during surgery. We preferred Ultrasound which is modality of imaging. Surgical treatment consists of the remov.. Read More
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Radiophilia: A Common Case of Excessive Radiation Exposure in Healthcare
Medical imaging using ionizing radiation is an increasing activity that brings tremendous benefits to the patients. But stochastic and deterministic effects of radiation, make it necessary to protect patients from potential harm. In this study, we report a common case of excessive radiation exposure in healthcare. We named it &l.. Read More
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The radiological community is endeavouring to raise the awareness about the radiation-induced cancer. Computed Tomography (CT) is the main source of medical irradiation. Manufacturers provided efficient technological tools on CT to achieve a significant radiation dose reduction while maintaining a diagnostic quality of the image.. Read More
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Aim: To model acute rectal toxicity in Intensity Modulated Radiation Therapy (IMRT) for prostate cancer using dosimetry and patient specific characteristics. Methods: A database of 79 prostate cancer patients treated with image guided IMRT was used to fit parameters of Lyman-Kutcher-Burman (LKB) and logistic regression Normal T.. Read More
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Injury of the Artery Epigastrica Low after Channeling of Vascular Accesses
Channelling femoral vascular access (arterial and venous) is a common technique in our daily practice. These techniques are not without complications, which may go unnoticed initially and as in the case presented manifests with symptoms of hypovolemic shock in previously stable patient. One of these complications is injury to th.. Read More
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Aim: To explore if gadolinium-ethoxybenzyl-diethylenetriaminepentaacetic acid (Gd-EOB-DTPA)-enhanced MRI provides more accurate information than multi-detector row computed tomography (MDCT) for staging hepatocellular carcinoma (HCC). Methods: We retrospectively investigated 112 patients with HCC who underwent MDCT and Gd-EOB-D.. Read More
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Potential Application of Radiomics for Differentiating Solitary Pulmonary Nodules
A solitary pulmonary nodule is defined as radiographic lesion with diameters no more than 3 cm and completely surrounded by normal lung tissue. It is commonly encountered in clinical practice and its diagnosis is a big challenge. Medical imaging, as a non-invasive approach, plays a crucial role in the diagnosis of solitary pulmo.. Read More
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Predictive Value of 1 Month Postoperative MRSI and FDG-PET Evaluations of Glioblastomas
Aim: The purpose of this study was to investigate prospectively the predictive value of positron emission tomography with proton magnetic resonance spectroscopic imaging (MRSI) and 18F-fluorodeoxyglucose (FDG-PET) performed the 1st month after surgery and before radio- chemotherapy in 43 patients with glioblastoma (GBM). Patien.. Read More
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Background: Voiding urosonography (VUS) can assess vesicoureteral reflux (VUR) in children. However, during examination, the voiding phase may create management problems for the operator as well as psychological disorders for the patient. Objective: To assess diagnostic accuracy of cystosonography with the Valsalva maneuver (Va.. Read More
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Cochlear implant has become the standard therapy to rehabilitate patients with severe to profound bilateral sensorineural hearing loss. The position of the electrode in the scala and the depth of its insertion have been shown to be predicting factors of hearing outcomes. This article serves to review the multi-slice computed tom.. Read More
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Aim: We conducted a retrospective study to report on the outcome and toxicity of stereotactic body radiotherapy (SBRT) and to analyze the correlation of local control (LC) and biological equivalent dose (BED) of patients treated with SBRT for upper abdominal lesions. Methods: Patients who completed stereotactic radiotherapy tre.. Read More
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Determining Fluoroscopic Radiation Exposure to the Urology Resident
Fluoroscopy has grown to become a critical technology for the modern urologist. The safety of fluoroscopic radiation has been evaluated in a variety of settings however it remains understudied in the urology literature. This study evaluates radiation exposure in the urology fluoroscopic suite. Dosimeter badges were worn by resid.. Read More
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Purpose: To evaluate the clinical usefulness of steady-state free-precession (SSFP) sequence for differentiating bronchogenic carcinoma from adjacent atelectasis. Methods: Ten patients with bronchogenic carcinoma and adjacent atelectasis underwent unenhanced magnetic resonance imaging (MRI). MRI examinations using the SSFP sequ.. Read More
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Pelvic Insufficiency Fractures (PIF) is caused by the effect of normal or physiologic stresses on bone with reduced mineral content or elastic resistance. Positron Emission Tomography (PET)/Computed Tomography (CT) is widely used in the work-up of patients with various types of cancer. In our case, a patient with colon cancer wh.. Read More
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Background: Catheter ablation of complex atrial arrhythmias guided by 3D models of the left atrium (LA) derived from CT/MRI or 3D rotational angiography of the heart (3DRA) is currently a common practice. Our aim is to compare radiation dose, consumption of contrast agent and cost of these methods. Materials and methods: Ove.. Read More
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Aim: The aim of this study is to characterize the site, types and radiological features of gliomas, such as edema, mass effect, and type of enhancement on CT-scan and MRI imaging. Patients and methods: Thirty-three patients were studied retrospectively from the PACS system of multi-slice CT-scanner and MRI using the protocol.. Read More
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