The coincidence between ultrasound diagnosis before operation and pathological diagnosis after operation was 91.2%.
术前超声诊断与术后病理学诊断的符合率为91.2%。
Results: he PEComa of liver didn't have any symptoms and characterized imaging features, and was difficult to make correct diagnosis before operation.
结果：肝脏血管周上皮样细胞瘤无临床症状，无特征性影像学表现，术前难于确诊。
Conclusion As the clinical manifestation of primary intestinal malignant tumor is of non specificity. It is more difficult to diagnosis before operation.
结论原发性小肠恶性肿瘤因临床表现无特征性，术前诊断较困难。
Results 9 cases demonstrated the characteristics of chronic incomplete intestinal obstruction, among which 3 cases were confirmed diagnosis before operation.
结果9例表现为慢性不完全性肠梗阻，其中术前确诊3例；
Conclusion Circulatory acute intestinal obstruction is an uncommon disease without specific symptoms and signs and is difficult to diagnosis before operation.
结论缺血性肠梗阻少见。临床表现无特异性，术前难以诊断。
The tumor diameter and blooding in operation of the vascular leiomyoma have great differences with myoma of uterus (P< 0.05). The certain diagnosis before operation is difficult.
结果血管型平滑肌瘤的瘤体大小及术中出血量与普通型平滑肌瘤有明显不同（P<0.05）。
Conclusions Pathologic (examination) is the most reliable diagnostic method for NFPTC. Needle aspiration of fluid to test for PTH or (cytology) is an important method in diagnosis before operation.
结论对无功能性甲状旁腺囊肿，病理学检查是最可靠的诊断方法，针刺抽液测定pth或细胞学检查有助于术前诊断。
Objective: To make a definite pathologic diagnosis of spine lesions by the use of ct guided percutaneous biopsy before operation, and evaluate the effects of this method.
目的：探讨脊柱肿瘤术前采用CT监测下经皮穿刺活检获得病理诊断的方法，评价其在脊柱肿瘤诊疗中的作用。
Conclusion: 3d-cta should be used as the first choice for clinical diagnosis of intracranial aneurysm, and is an important reference for the surgical planning before operation.
结论：3d -CTA可做为临床诊断动脉瘤首选方法和术前确定手术方案重要参考。
Objective: To investigate the value of cervical mediastinoscopy in the diagnosis of mediastinal diseases and the staging of lung cancer before operation.
目的：探讨电视纵隔镜检查术在肺癌术前分期、纵隔疾病诊断中的价值。
Conclusion: the ct findings of adrenal myelolipoma is Characteristic, and on ct scan the diagnosis could be reached before operation.
结论：肾上腺骨髓脂肪瘤ct表现具有特征性，术前CT即可作出定性诊断。
Conclusion the imaging findings of Kimura disease have some characteristic features, the diagnosis can be made combined with the laboratory examination and clinical findings before operation.
结论木村病具有一定的影像特点，结合临床表现和实验室指标，术前可以诊断。
Purpose:To assess the value of CTU in the diagnosis of pediatric congenital UPJO before operation, and in the effect after operation.
目的：评价CTU检查小儿先天性UPJ梗阻术前诊断及术后疗效观察的价值。
Conclusion the ct and MRI manifestations of adrenal myelolipoma were characteristic features and the diagnosis can be reached before operation.
结论肾上腺髓样脂肪瘤的CT、MRI表现较具特征性，一般可在术前作出诊断。
Methods 20 cases of breast cancer patient and 30 cases benign mass patient were selected with combination detection before operation and the results were compared after pathology diagnosis.
方法选取20例乳腺癌患者和30例良性肿块患者于术前联合运用超声和X线钼靶检查进行诊断，并与手术后病理结果进行对照。
Conclusions diagnosis of primary colorectal lymphoma before operation is difficult, and misdiagnosis is common.
结论原发性结直肠淋巴瘤手术前误诊率高。
Methods Two patients with a provisional diagnosis of glioma were investigated with CT, MRI, and PET/CT, in order to evaluate the tumors before operation.
方法两例考虑为胶质瘤的患者，以脑CT和MRI及PET-CT检查进行术前评估，并在PET-CT导航下行开颅肿瘤切除术。
Results The bleeding site was determined through mesentery artery angiography diagnosis before treatment, 23 cases were treated with operation, 3 cases were treated with medicine.
结果术前经血管造影明确出血部位，23例行手术治疗，3例经内科治疗痊愈。
To study the lateral location diagnosis value of PET in temporal lobe epilepsy before operation, 20 patients with refractory temporal lobe epilepsy were investigated by EEG, MRI and PET.
为评价正电子发射断层照相术（PET）在颞叶癫痫病人术前侧别定位诊断中的意义，对2 0例颞叶癫痫病人术前均行脑电监测、头MRI及PET检查。
Objective To study the value of ct in confirming the diagnosis of schwannoma of the cervical sympathetic nerve (SSN) or vagus nerve (SVN) before operation.
目的探索CT在术前确诊颈交感神经鞘瘤(SSN)与迷走神经鞘瘤(SVN)的价值。
Conclusion It is suggested that CDU was reliable clinical value in diagnosis and localization of parathyroid adenoma before operation.
结论彩超是甲状旁腺腺瘤诊断及术前定位的可靠方法。
Objective to study the clinical and imaging features of hepatolith accompanying biliary duct cancer before operation, and the application of combined CA199 and imaging in its diagnosis.
目的探讨肝胆管结石合并胆管癌的术前临床特征、影像学表现和CA199在肝胆管结石并发胆管癌术前诊断的应用价值。
Objective to study the clinical and imaging features of hepatolith accompanying biliary duct cancer before operation, and the application of combined CA199 and imaging in its diagnosis.
目的探讨肝胆管结石合并胆管癌的术前临床特征、影像学表现和CA199在肝胆管结石并发胆管癌术前诊断的应用价值。
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