Conclusion Three-dimensional ultrasound can provide important and different signals of blood flow in malignant and benign tumors, and this is valuable to make the differential diagnosis between them.
结论三维超声可为良恶性肿瘤提供重要的血流信息，有助于两者的鉴别诊断。
Although this process is a normal part of the body's ability to grow and heal itself, angiogenesis is also the path through which tumors transition from benign to malignant.
这个过程是一个身体增长和愈合能力正常功能的一部分，而肿瘤从良性向恶性转变也是通过血管生成。
These three malignant properties of cancers differentiate them from benign tumors, which are self-limited, and do not invade or metastasize.
与癌症的三大危害性迥然不同的是，良性肿瘤具有自限性，不侵犯或不转移特征。
Conclusion: Nonorganic lesions and benign diseases are the main causes of PMB in the last few years, but the malignant tumors still assume a definite proportion.
结论：近年来非器质性及良性疾病成为绝经后出血的主要原因，但恶性肿瘤仍占一定比例。
Objective to investigate the tumor angiogenesis in benign borderline and malignant epithelial ovarian tumors and its relationship with the tumorigenesis.
目的探讨良性、界性和恶性上皮性卵巢肿瘤微血管生成状态及肿瘤微血管生成与卵巢肿瘤发生、展的关系。
It is a useful auxiliary method for diagnosing various skin tumors, especially pigmented skin tumor, and identifying benign and malignant skin tumors.
它对多种皮肤肿瘤尤其对色素性皮肤肿瘤的判断和良恶性皮损的鉴别诊断具有较好的辅助诊断价值。
In this paper, we present the epidemiological characteristics of various common benign and malignant gastrointestinal tumors in detail for studying the tumor distribution, pathogenesis and prevention.
本文详细介绍了各种常见胃肠道良、恶性肿瘤的流行病学特征，旨在研究肿瘤分布、探索肿瘤病因和制定肿瘤预防措施。
Level of serum CA125, CEA and AFP were determined in 86 cases of benign and malignant gynecologic tumors.
报道妇科良性与恶性肿瘤86例术前及术后血清CA125,CEA及AFP水平的测定结果。
Objective To determine if in vivo detection of choline by1H-magnetic resonance spectroscopy(1H-MRS) could differentiate between benign and malignant bone and soft tissue tumors.
目的探讨磁共振氢质子波谱（1H-MRS）是否有助于四肢骨与软组织良恶性肿瘤的诊断及鉴别。
The genetic mutation of the NF1 leads to abnormal tumor suppression, leading to a variety of benign and malignant tumors.
NF 1基因突变导致肿瘤抑制异常，可发生各种各样的良性和恶性肿瘤。
SABC immunohistochemical method was used to investigate the expression of VEGF in 12 samples of malignant and 12 samples of benign tumors.
对手术病理证实的12例恶性肿瘤及12例良性肿瘤的组织切片应用免疫组化SABC法检测VEGF的表达。
According to the histological classification of WHO (2004), the epithelial tumors of kidney is including 10 kinds of malignant and 2 kinds of benign tumors.
根据2004年WHO的组织学分类，肾上皮性肿瘤可分为10类恶性肿瘤和2类良性肿瘤。
Methods Immunohistochemistry SP method and silver-staining technique were used to examine oral tumors, including 40 malignant tumors, 6 borderline tumors and 44 benign tumors.
方法采用免疫组化SP方法及银染技术对40例口腔恶性肿瘤、6例交界性肿瘤及44例良性病变进行检测。
Tumors composed of cancer cells are called malignant tumors, and those composed of noncancerous cells are called benign tumors.
癌症肿瘤细胞组成，被称为恶性肿瘤，细胞非癌的组成被称为良性肿瘤。
Objective To compare the changes of hemorheology and blood concretion status in patients with benign and malignant tumors.
目的比较良恶性肿瘤患者的血液流变学及血凝的变化。
Results Benign and malignant tumors in cervicofacial soft tissues had different characteristics in the two dimension ultrasound and colour doppler blood flow imaging.
结果面颈部软组织良、恶性肿瘤在二维超声、彩色多普勒血流显像两方面具有不同的特征。
The tumors included 5 benign stromal tumors and 8 malignant stromal tumors.
良性间质肿瘤5例，恶性间质肿瘤8例；
Result There were rare color flow signal on the circumference and inside benign tumors (77.4%). There were rich color flow signal on the circumference and inside malignant tumors (82.1%).
结果1良性甲状腺肿块周边部及内部常显示稀少的彩色血流信号(77.4%)，而恶性甲状腺肿块周边部及中央部多显示丰富的彩色血流信号(82 . 1 %)。
Methods: Dynamic contrast enhanced CT scanning before operation was performed in 120 cases of ovarian tumors (50 benign, 50 malignant and 20 borderline) confirmed by operation and pathology.
方法：经手术和病理证实的卵巢肿瘤120例，其中良、恶性肿瘤各50例，交界性肿瘤20例。术前全部经ct动态增强扫描。
Mesenchymomas are very rare tumors and contain at least two mesenchymal cellular elements not commonly associated Mesenechymomas may be either benign or malignant.
良性间叶瘤少见，至少由两种间叶组织混合构成，分良性和恶性。
Results The coincidence of high-frequency ultrasound examination with tumor's physical character attained 100% and in differential diagnosis of benign or malignant tumors was 87.4%.
结果高频超声在肿块的物理性质诊断方面符合率达100%，在肿块良恶性鉴别诊断方面符合率为87.4%。
Benign and malignant tumors in the palatine region has a close relationship with the palatal bone.
腭部发生的良、恶性肿瘤与腭骨密切相关。
Results: The finding rate for the above rnentinal tumors by CT was 78. 5% and the proper rate for differential diagnodis either benign or malignant was 85. 7% .
结果；CT对上述肿瘤的定位正确率为78．5％，良恶性鉴别的正确率为85．7％。结论：CT值可确定囊性、实性和囊实性；
Methods Serum CA125 was determined in 131 cases of gynecologic malignant tumors, 90 cases of benign tumors and 82 cases of healthy woman by IRMA.
方法应用放射免疫法（IR MA）测定131例妇科恶性肿瘤、90例妇科良性肿瘤患者、82例健康妇女血清CA12 5水平。
Pain was the most common symptom in both benign and malignant tumors.
疼痛是恶性和良性肿瘤最常见的症状。
It was found that diagnostic accuracy of this method was96. 41 %. The figures were 94.48% in malignant tumors, and 97. 99% in benign tumours.
结果显示：两种方法结合进行的急诊病理诊断符合率为96.41%，恶性肿瘤诊断符合率94.48%，良性肿瘤符合率为97.99%。
The 208 localized lesions were divided into 4 groups: benign tumors, malignant tumors, cyst lesions and non-neoplastic lesions.
局限性病变分为“良性肿瘤”、“恶性肿瘤”、“囊性病变”和“其他非肿瘤性病变”四组。
Conclusion: With the integrated usage of ultrasonic methods, higher accuracy of differential diagnosis for benign and malignant salivary glands tumors may be obtained.
结论：各种超声检查方法联合应用，可以明显提高超声对涎腺良恶性肿瘤诊断的准确性。
Conclusion: With the integrated usage of ultrasonic methods, higher accuracy of differential diagnosis for benign and malignant salivary glands tumors may be obtained.
结论：各种超声检查方法联合应用，可以明显提高超声对涎腺良恶性肿瘤诊断的准确性。
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