查询词典 ossifying

Pathological diagnosis as follows: Chon- droblastoma (3 cases), giant cell tumor of bone (3 eases), fibrous dysplasia (2 cases), non-ossifying fibroma (1 case), and esosinophilic granuloma of bone (1 case).

材料和方法：经手术病理和临床活检证实共10例，其中成软骨细胞瘤和骨巨细胞瘤各3例，骨纤维异常增殖症2例，非骨化性纤维瘤和嗜酸性肉芽肿各1例。

CT is the modality of fist choice in diagnosis of ossifying fibroma of craniofacial region, especially, CT bone algorithm reconstruction is valuable to its final diagnosis, MRI, as a complemental imaging examination method, also has some characteristics, the combined application of both contributes to the improvemet of its diagnostic accuracy.

CT是颅面部骨化性纤维瘤的首选检查方法、尤其是CT骨窗对该病诊断价值较大，MRI表现也具有一定的特征，是一项重要的辅助检查手段，二者的联合应用可提高该肿瘤诊断的准确性。

Methods: 24 cases of non-ossifying fibroma from 1993～1999 have been reported.

总结1993～1999年收治的非骨化性纤维瘤24例。

Objective To investigate CT and MRI findings of ossifying fibroma of craniofacial region in order to improve the diagnostic accuracy.

目的 探讨颅面部骨化性纤维瘤的CT和MRI表现，提高其诊断准确性。

Methods］Reviewly analysis clinical and imaging materials of 11 patients ossifying fibroma of the long bone.

方法］回顾分析11例经手术病理证实的长骨骨化性纤维瘤临床和影像资料。

Methods CT and MRT data of 15 cases with ossifying fibroma of craniofacial region confirmed pathologically were analyzed retrospectively.

回顾性分析经手术病理证实的15例颅面部骨化性纤维瘤患者的CT和MRI影像学资料。

OBJECTIVE TO improve the CT diagnosis of ossifying fibroma in paranasal sinus.

目的 探讨鼻窦骨化纤维瘤的CT诊断。

Abstract］ objective to improve the diagnosis of non-ossifying fiboma by analysing its x-ray feature.methods plain x-ray films was performed in all patients.x-ray finding in 8 cases with pathologically-confirmed non-ossifying were analyzed.results the clinical symptom was mild,the lesions occurred usually at the metaphysis of the long bones,the affected bones included femur（n=4）,tibia（n=3）,humerus（n=1）.cortical type was seen in 5 cases,presenting as unilocular or multilacular transparent areas with in the cortex or tightly beneath the cortex,the lesion had a sclerotic margin.which was more obvious at the marrow side.medullary type was seen in 2 cases.the lesion was located at the center of the bone and grew centrally.the tumor was manifested as unilocular or multilocular.tramsparent area with sclerotic border and the bone cortex became thinner with slightly expanding on 11 sides.conclusion plain radiography is the elementally means to detect this disease.based on the typical x-ray signs of non-ossifying fibroma combined with clinical data,correct preoperative diagnosis can be made in most cases.

目的 探讨非骨化性纤维瘤的x线表现以提高诊断水平。方法所有病例均摄有x线平片，分析经病理证实的8例非骨化性纤维瘤。结果临床症状轻，好发于下肢长骨干骺端或骨干，股骨4例，胫骨3例，肱骨1例。皮质型5例，表现为皮质内或紧贴皮质下的单层或多层透亮区，病变向骨内发展进入髓腔，周围有致密硬化带环绕，以髓腔侧明显；髓质型2例，病灶在骨内中央发展，显示为单房或多房透亮区，边缘有硬化，骨皮质菲薄，轻微向周围膨隆。结论 x线为最基本的检查方法，典型病例x线平片结合临床症状即可明确诊断。

Results In 16 cases, long bone ossifying fibroma was diagnosed by X-ray in 11 cases, misdiagnosed in 5 cases. In 8 cases, long bone ossifying fibroma was diagnosed by CT 7 cases, misdiagnosed in 1 cases.

结果 16例长骨骨化性纤维瘤X线诊断正确11例，误诊5例；CT检查正确诊断7例，误诊1例。

Results In 16 cases, long bone ossifying fibroma was diagnosed by Xray in 11 cases, misdiagnosed in 5 cases.In 8 cases , long bone ossifying fibroma was diagnosed by CT in 7 cases, misdiagnosed in 1cases.

结果 16例长骨骨化性纤维瘤X线诊断正确11例，误诊5例； CT检查正确诊断7例，误诊1例。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐