英语翻译MSCT结合齿科软件在颌骨肿瘤或瘤样病变中的影像学研究一、目的本研究应用PHILIPS Brilliance 64层螺旋CT的Dental Planning 软件结合MPR、VR 等重建功能对我院98例颌骨肿瘤及瘤样病变的MSCT

英语翻译MSCT结合齿科软件在颌骨肿瘤或瘤样病变中的影像学研究一、目的本研究应用PHILIPS Brilliance 64层螺旋CT的Dental Planning 软件结合MPR、VR 等重建功能对我院98例颌骨肿瘤及瘤样病变的MSCT
英语翻译
MSCT结合齿科软件在颌骨肿瘤或瘤样病变中的影像学研究
一、目的
本研究应用PHILIPS Brilliance 64层螺旋CT的Dental Planning 软件结合MPR、VR 等重建功能对我院98例颌骨肿瘤及瘤样病变的MSCT 图像进行后处理观察,对各自影像学特征进行分类统计和总结分析,旨在揭示病变的特性及鉴别要点,为颌骨肿瘤或瘤样病变的诊治提供参考.
二、方法
1、选取2008年7月一2013年2月在我院住院治疗的颌骨肿瘤及瘤样病变患者98 例为研究对象,其中良性病变70例包括牙源性角化囊性瘤20例,成釉细胞瘤14例,牙源性囊肿11例（含牙囊肿4例、根尖周囊肿7例）,牙瘤2例,成牙骨质细胞瘤、牙源性纤维瘤及粘液瘤各2例,单纯性骨囊肿9例,骨纤维异常增殖症
4 例、骨化性纤维瘤 2 例,血管畸形及嗜酸性肉芽肿各1例；恶性病变28例包括恶性成釉细胞瘤2例,颌骨鳞状细胞癌3 例、牙龈源性恶性肿瘤 10 例、上颌窦源性恶性肿瘤累及颌骨 9 例,多发性骨髓瘤及浆细胞瘤各2例.术前均行 MSCT 扫描,其中43例行增强扫描,将原始的容积扫描数据进行1mm薄层重建,利用工作站上Dental Planning进行后处理,与容积再现技术（VR）、多平面重组法（MPR）图像进行比较分析,并对病灶影像特征进行统计分析.
2、影像资料分析
对我院98例颌骨肿瘤及瘤样病变的影像学资料进行系统复核,结合牙源性肿瘤的WHO(2005)新分类,对各病变影像学特点分类统计和总结分析,主要从以下几个方面进行分析：病灶发生部位,颌骨的膨胀度,病灶内密度及病灶内有无高密度区,病灶内有无阻生齿,邻近牙根受累情况,周围骨皮质的完整性,邻近软组织受累情况,下颌骨病变观察下颌管的受压破坏情况,总结各病变的图像特征及其鉴别要点.

英语翻译MSCT结合齿科软件在颌骨肿瘤或瘤样病变中的影像学研究一、目的本研究应用PHILIPS Brilliance 64层螺旋CT的Dental Planning 软件结合MPR、VR 等重建功能对我院98例颌骨肿瘤及瘤样病变的MSCT
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MSCT combined with Dental software in jaw bone tumor or tumor lesions imaging studies
The first purpose.
This study applies PHILIPS offerings 64 Dental layer spiral CT reconstruction functions such as Planning software combined with MPR, VR in our hospital 98 cases of oral maxillofacial tumors and tumor lesions of MSCT image post-processing to observe, classify their imaging characteristics statistics and summary analysis, aims to reveal the characteristics of pathological changes and identify key points, to provide reference for the diagnosis and treatment of jaw bone tumors or tumor lesions.
the second,method:
1, select a February 2013 in July 2008 in our hospital hospitalization jaw tumors and tumor lesions in patients 98 cases as the research object, benign lesions 70 cases including tooth source sex Angle of cystic tumors 20 cases, 14 cases of ameloblastoma, tooth source sex cysts in 11 cases (including teeth cyst in 4 cases, 7 cases of periapical cyst), tooth tumor in 2 cases, cementoblast tumor, of source sex fibroma and myxoma in 2 cases, 9 cases of simple bone cyst, 4 cases were abnormal bone fibre hyperplasia with shaofu zhuyu tang, ossifying fibroma, 2 cases, vascular malformation and eosinophilic granuloma in 1 case; 28 cases of malignant lesions including 2 cases of malignant ameloblastoma, oral maxillofacial squamous cell carcinoma (3 cases), gum source 10 cases of malignant tumors, malignant tumors involving the maxilla, 9 cases of maxillary DouYuan sex, multiple myeloma and plasma cell tumor in 2 cases. Preoperative MSCT scan, in which 43 underwent enhanced scanning, the original volume to 1 mm thin layer scanning data reconstruction, using workstation Dental Planning to post-processing, and volumetric representation technology (VR) and multi-plane reorganization method comparative analysis (MPR) images, and the lesions imaging features were analyzed.
2.Image data analysis
In our hospital 98 cases of oral maxillofacial tumors and tumor lesions imaging data for system review, combined with the tooth source sex tumour of the WHO classification (2005) new, all lesions imaging characteristic classification statistics and summary analysis, mainly from the following several aspects are analyzed: lesion location, the expansion of the jaw, lesions within the density and the presence of high density zones within the lesion, lesions with shine dentition, adjacent root involvement, the integrity of the bone cortex around, adjacent soft tissue involvement, mandible lesions observed mandibular canal compression damage situation, summarize the main points the diseased image characteristics and its identification.
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