نتایج جستجو برای: lesions volume

تعداد نتایج: 476769  

Journal: :Medical image analysis 1999
David Rey Gérard Subsol Hervé Delingette Nicholas Ayache

The study of temporal series of medical images can be helpful for physicians to perform pertinent diagnoses and to help them in the follow-up of a patient: in some diseases, lesions, tumors or anatomical structures vary over time in size, position, composition, etc., either because of a natural pathological process or under the effect of a drug or a therapy. It is a laborious and subjective tas...

2015
ZHEN-SHEN MA DA-WEI WANG XIU-BIN SUN HAO SHI TAO PANG GUI-QING DONG CHENG-QI ZHANG

The aim of this study was to investigate the value of quantitative 3-Tesla (3T) magnetic resonance (MR) assessment in the diagnosis of breast lesions. A total of 44 patients with breast lesions were selected. All the patients underwent MR plain scanning and T1 dynamic contrast-enhanced imaging. The vascular function parameters of the lesions, namely volume transfer constant (Ktrans), rate const...

2013
Ziming Zeng Reyer Zwiggelaar

Segmenting of Multiple Sclerosis (MS) lesions in magnetic resonance (MR) images is a hot issue in biomedical engineering. This paper presents a novel approach for segmentation of MS lesions in T1weighted (T1-w), T2-weighted (T2-w), and fluid-attenuated inversion recovery (Flair) MR images. The proposed approach is based on threedimensional (3D) enhancement followed by false positive reduction m...

Journal: :Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association 2007
Martha G Drum Christopher E Kawcak Robert W Norrdin Richard D Park C Wayne McIlwraith Clifford M Les

Comparison of subchondral bone density determined by quantitative computed tomography (CT) with gross and histopathologic changes have not been made in horses. The goal of this study was to determine if mean quantitative CT density and mean voxel standard deviation are associated with the presence and severity of osteochondral lesions in the palmar aspect of the distal third metacarpal bone in ...

2017
Pragathi Weerakkody Tharindu Deemantha Silva Nandadeva Samarasekera

S16 ENDOSCOPIC ULTRASOUND / VOLUME 6 / SUPPLEMENT 1 / AUGUST 2017 for cases which require immunohistochemistry, for example, neuroendocrine tumor, lymphoma, and mediastinal tumors. (3) EUS is the most important tool for pancreatic cystic lesions. (4) EUS is an important tool for diagnosis of CBD and gallbladder masses. EUS gives accurate diagnosis in gastric submucosal lesions, infiltrative gas...

2017
D. Bolivar L. Arango M. Londoño M

S16 ENDOSCOPIC ULTRASOUND / VOLUME 6 / SUPPLEMENT 1 / AUGUST 2017 for cases which require immunohistochemistry, for example, neuroendocrine tumor, lymphoma, and mediastinal tumors. (3) EUS is the most important tool for pancreatic cystic lesions. (4) EUS is an important tool for diagnosis of CBD and gallbladder masses. EUS gives accurate diagnosis in gastric submucosal lesions, infiltrative gas...

2016
Eugene Kholmovski Ravi Ranjan Nathan Angel Sathya Vijayakumar Nassir F Marrouche

Background Cardiac RF ablation is a widely accepted procedure for treatment of ventricular tachycardia and atrial fibrillation. Late gadolinium enhanced MRI (LGE-MRI) can be used to assess RF ablation lesions. However, LGE-MRI requires contrast injection and the visibility of lesions and appearance considerably change with time after the injection. Recently, native (non-contrast) T1-weighted (T...

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