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In the present study the sensitivity and specifity of CT and MRI were compared. The evaluation was done from diagnostic and neurosurgical points of view.doi:10.1007/978-3-642-73294-2_29B. SchulzA. KernM. LaniadoW. SchrnerE. Kazner
By increasing the contrast of an image, it will be easy for analysing because of detailed information. This increase in contrast can be done by number of ways in image processing. This paper compares different methods of enhancement of brain MRI using histogram based techniques. 展开 ...
This involves a subjective assessment of contrast uptake and can be done either by comparing post-contrast DCE phases to a pre-contrast image or by performing subtraction between different phases. Additional qualitative evaluation can be based on the signal intensity time curve and categorized as foll...
While enteroclysis seems to be the most efficacious method in achieving bowel distension, enterographic methods have become widespread due to the unpleasantness of enteroclysis and the radiation involved with positioning the catheter. Cine images in MRI can be done without radiation. Our aim is to...
Documentation of the needle position was done with contrast medium and slice imaging followed by injection of 40 mg Kenacort (Triamcinoloni acetonium; Dermapharm AG, Huenenberg AG, Switzerland) and 1 ml Ropivacaine (Naropin; Astra-Zeneca, Södertälje, Sweden). The radiologists performing these ...
12、 10-13 degree to the canthomeatal line.Slice thickness:- Posterior fossa:-5mmSupra tentorial structures:-10mmPituitary gland and sellar region:-1- 3mm (coronal sections )CONTRAST STUDIES: done by injecting 100 ml of 60%iodinated contrast contd.Normal enhancement : Arterial &venous structures ...
Each image is matched with an average template of the same modality (or the closest available with similar contrast, from the same templates used in mri_reface) and the template is used to “fill in” missing face parts using the pieces from the template. This operation is analogous to ...
Conjugation was done at a 1:2 (SPIO : ccDTPA) molar ratio. Conjugation reaction was purified with Magnetic assorting column (MACs) using high gradient magnetic field following incubation, the radio labeled conjugate was checked using RTLC method for labeling and purity checked. The RTLC ...
Morphological imaging was done with either magnetic resonance imaging or X-ray computed tomography without contrast medium. Both imaging procedures were done within an interval of 3-4 weeks. For the image fusion procedure, specific external reference markers were used for each imaging modality. The ...