鉴别分析

Methods 16 cases of retroperitoneal leiomyosarcoma confirmed by operation and pathology were studied in order to explore its location, imaging characteristics, pathological basis and differential diagnosis.

方法分析16例手术病理证实的后腹膜平滑肌肉瘤，研究其定位和定性征象特征及病理基础并讨论其鉴别诊断

Color Doppler ultrasound identification and diagnosis of benign and malignant lymphadenectasis has its edges possibly being the first trial method.

超声具有简便，价廉，无痛、实时实动态观察，对颈部恶性肿大淋巴结发生部位和声像图特征进行分析，有利提高肿瘤定位和定性诊断及鉴别诊断，为临床诊疗提供依据。

Visit folding carton unknown monosomic fedina, typically by gas chromatography and mass spectrometry, through the identification of unknown monosomic by mass spectrometry.

在考察折叠纸盒未知单体的情况时，通常将气相色谱分析法与质量法一起使用，通过质谱法鉴别未知单体。

Objective To analyze the genetic polymorphism in Macaca mulatta and Macaca irus, in order to set up a method of genetic analysis between those two monkey species.

目的 分析恒河猴和食蟹猴群体间的遗传多样性，确立一种对恒河猴和食蟹猴种群个体的遗传鉴别方法。

Objective: To analyze the manifestation of MR imaging in myositis ossificans, and to enhance the ability in the diagnosis and differential diagnosis.

目的：分析骨化性肌炎的临床和MRI表现特点，以提高其诊断和鉴别诊断的能力。

Objective To analyze the manifestation and variation of interrelations in MRI with myositis ossificans, and improve the ability of diagnosis and differential diagnosis.

目的 分析骨化性肌炎的MRI表现特点与演变规律，以提高其诊断和鉴别诊断的水平。

Methods Report a case of Myositis Ossificans Progressiva, analyze the clinical features, diagnosis, differential diagnosis with a review of literature.

报告1例进行性骨化性肌炎病例，结合文献，分析该疾病的临床特征，总结诊断要点和鉴别诊断。

Objective:to explore the evaluation of color doppler ultrasonography in differential diagnosis of renal cystic disease.methods:theultrasonographic finds of cystic renal cancer in 4 cases,renal cyst in 30 cases, renal tuberculosis in 3 cases,nephropyosis in 8 cases,renal hydatid in 2 cases were analyzed.compared with each other in size,shape,edge, echo of cyst wall and cyst water,intracapsular membrane,blood flood.results:two-dimensional and color ultrasonography are helpful in showing the characteristic of structure and blood flow.the signal of blood flow can be found in cystic wall.node of cystic wall and intracapsular membrane of cystic renal cancer.the rate ofintracapsular membrane and node of cystic wall is higher than nephropyosis,renal tuberculosis and cystic renal disease.

目的：探讨彩色多普勒超声在肾脏囊性病变鉴别诊断中的价值。方法：对临床和病理证实的4例囊性肾癌，8例肾脓肿，2例肾包虫，3例肾结核，30例肾囊肿的二维超声及彩色多普勒超声表现进行了分析，对每例病灶的大小、形态、边界、囊壁回声、囊液回声、囊内分隔及彩色血流的有无、性质进行比较。结果：二维超声和彩色多普勒超声可以反映肾脏囊性病变的结构特征及血流特征。

Objective:To analyze the MR findings of neurogenic tumors in spinal canal and compare with meningioma.

目的 ：通过高场强MR对椎管内神经源性肿瘤的表现特征进行分析，并与脊膜瘤的MR表现进行对比研究，以期总结本病的MR表现特征及与脊膜瘤鉴别诊断要点。

Objective To obtain information on the application value of percutaneous epididymal sperm aspiration and percutaneous testicle sperm aspiration in the differentiating diagnosis of obstructive and nonobstructive azoospermia.

目的探讨经皮附睾精子抽吸术及经皮睾丸精子抽吸术在无精子症鉴别诊断中的应用价值。方法采用PESA或PTSA对梗阻性无精子症组37例及非梗阻性无精子症组28例进行附睾或睾丸取精，细胞学涂片进行分析。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。