目的：通过新生骨骨质结构和骨密度分析观察犬颧骨牵张成骨效果。
AIM: To observe the effect of distraction osteogenesis of zygoma based on the bony structure and bony density of new bone formation.
对肿瘤范围、密度、形态边缘和骨质情况进行分析。
Extent, density, shape, edge and bone changes of the tumor were analyzed.
材料和方法：回顾性分析34例鼻腔淋巴瘤的CT表现，对肿瘤范围、密度、形态边缘和骨质情况进行分析。
Materials and method: 34 cases of lymphoma in nasal cavity were analyzed according to CT manifestations with regard to size, density, shape and margin of the tumor and bone changes.
分析er基因多态性与骨密度关系以及各基因型在骨质疏松组与对照组的分布。
The relationship between er genotype and BMD, the distribution of er genotype between case group and control group were evaluated.
方法回顾性分析18例鼻咽纤维血管瘤的CT和MRI表现，对肿瘤的部位、密度或信号、范围及骨质改变进行分析。
Methods 18 cases of nasopharyngeal angiofibromas were retrospectively analyzed including the location, density , signal intensity, extension of tumors and changes of surrounding bones.
分析雌激素受体基因多态性与骨密度的关系及各基因型在骨质疏松组与对照组的分布。
Pvu II and Xba I restriction fragment length polymorphisms (RFLP) of ER were analysed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) .
分析雌激素受体基因多态性与骨密度的关系及各基因型在骨质疏松组与对照组的分布。
Pvu II and Xba I restriction fragment length polymorphisms (RFLP) of ER were analysed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) .
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