凝固性坏死

结果：脾脏炎性假瘤的MRI表现：T1WI序列表现为低或等信号，T2WI序列为低信号，信号特点与纤维组织增生、灶性出血、凝固性坏死、含铁血黄素沉着等有关。

Results : The MRI features of splenic inflammatory pseudotumor were as follows : hypo-or iso-intense on T_1WI and hypo-intense on T_2WI , which were correlated with fibrous tissue , focal hemorrhage , coagulation necrosis and hemosiderosis on pathology .

直径为3～5cm的18个肿块中16个血供消失（88.9%），14个完全凝固性坏死（77.8%）；

Blood supply was completely disappeared in 88.9 % ( 16 / 18 ) tumors and complete coagulation necrosis was observed in 77.8 % ( 14 / 18 ) tumors that the diameter between 3 and 5 cm .

MRI显示24例中肿瘤完全凝固性坏死占79.2%（19/24）。

MRI scans showed the treated tumors had complete necrosis in 79.2 % ( 19 / 24 ) .

结果经皮射频消融治疗52例复发性小肝癌中，肿瘤<3cm者38例，MRI或CT显示全部瘤灶完全凝固性坏死；

Results MRI or CT after PRFA revealed complete coagulative necrosis of the tumor in 38 cases ( tumor size < 3 cm ) .

结论：作为自动检测HIFU凝固性坏死区域的辅助诊断方法，该方法具有可行性。

Conclusion This method has the feasibility to be introduced as an auxiliary technique monitoring HIFU lesion area automatically .

淋巴细胞凋亡（apoptosis）及核碎片见于所有病例，17例出现不同程度的凝固性坏死；病变区不见或偶见中性粒细胞、嗜酸性粒细胞和浆细胞。

Histological features were focal involvement of lymph nodes , proliferation of lymphocytes and histiocytes with phagocytosis , apoptosis and nuclear debris in all cases and necrosis in some cases , no or rare infiltration of neutrophils , eosinophils and plasma cells .

结论：（1）兔VX-2肝癌可发生自发性凝固性坏死和出血等改变。

Conclusion : ( 1 ) Spontaneous coagulation necrosis and hemorrhage usually occur in the rabbit VX-2 tumor .

结果：A组30只大鼠肝右叶发生凝固性坏死，光镜及电镜下均呈典型的坏死改变，TUNEL染色呈阴性；

Results : All of the rats from group A had typical coagulative necrosis in right hepatic lobe under light microscopy and electron microscopy , and were negative on TUNEL staining .

结论：HIFU致肝组织的凝固性坏死有明显的量效关系，其值随辐照深度的增加而增加含量比未经辐射的低，表明适宜剂量辐射可以提高幼苗耐热性。

Conclusions : There are apparent dose response relation in liver coagulative necrosis induced by HIFU , and the value increased following with increased radiation depths under skin . dose irradiation .

目的探讨在高强度聚焦超声（HIFU）治疗过程中，实时监控超声的图像变化与HIFU辐照产生的凝固性坏死灶大小之间的相关性。

Objective To explore the relativity of the ultrasonic image observed in real time and the size of coagulative necrosis produced by the exposure with high intensity focused ultrasound ( HIFU ) .

功率为3W，速度为2～4mm/s条件下的直线扫描刚好未见肉眼凝固性坏死。

Under the sound power of 3W , at the linear scanning velocity of 2 ~ 4mm / s , no coagulative necrosis was noticed by gross observation .

方法使用同一聚焦超声换能器，辐照深度、功率一致条件下，静脉注射等量氟碳乳剂（实验组）或生理盐水（对照组）后，用HIFU辐照兔肝脏，测量凝固性坏死体积，计算能效因子。

Methods Using identical focused ultrasound transducer , with fixed irradiation depth and power , the livers of 16 New Zealand white rabbits were irradiated with HIFU after isovolumic physiologic saline ( control group ) or perfluorocarbon emulsion ( experimental group ) were injected intravenously .

结果：PRFA治疗后60.9%（42/69）的肿块血供消失，61.6%（45/73）的肿块呈完全凝固性坏死。

Results : Blood supply of tumors was disappeared in 60.9 % ( 42 / 69 ) and complete coagulation necrosis of tumors was observed in 61.6 % ( 45 / 73 ) after PRFA .

靶区组织发生凝固性坏死，靶区内门静脉无破裂及出血，HIU组、HIU+ADM组较ADM组、对照组生存时间明显延长（P<0.05）；

Target tissue had coagulative necrosis but there was no hemorrhage or vessel rupture of portal vein inside the targeted tissue . The survival time in the Group HIU and Group HIU + ADM was significantly longer than that in Group ADM and control group ( P < 0.05 ) .

而损伤的凝固性坏死灶最大切面面积与不同时间的声像图面积比较，介于2min和5min的声像图面积之间，与两者比较，差异均无显著性意义（P>0.05）。

The size of coagulative necrosis area compared with the size of ultrasonic image , was smaller at the second minute and bigger at the fifth minute , but all of these differences were not significant ( P > ( 0.05 )) .

结果：电外科手术后，前列腺组织可见凝固性坏死，未见炎症反应。

Results : Coagulation necrosis appeared in the prostatic tissue .

肿瘤凝固性坏死合并中心液化坏死。

Tumor coagulative necrosis combining with center liquefactive necrosis .

治疗组病理切片光镜下肿瘤凝固性坏死范围随乙醇浓度的增加而增大。

Coagulation necrosis area of PEI in each group increased propostionately with ethanol concentration .

Ⅰ级：心肌出现散在的坏死，主要为凝固性坏死，局限于心内膜下；

In grade ⅰ, coagulation and localization necrosis of myocardial cell scattered in endocardium .

骨髂肌与心肌的凝固性坏死，肌间毛细血管充血与水肿；

Coagulative necrosis of skeletal and cardiac museles ;

结果：射频组肿瘤经射频治疗后发生凝固性坏死，凝固性坏死边缘区肿瘤组织可见明显的细胞凋亡及细胞坏死改变。

Results : The morphological change in treatment center of RFA group was coagulative necrosis .

等、低信号为凝固性坏死或肿瘤残存。

Iso - and hypo-intense corresponded to areas of coagulation necrosis or residual viable tumor .

乙醇组以凝固性坏死为主（7/7）；

The major pathological change in the alcohol group was coagulation ( 7 / 7 ) .

5例低回声结节均为较均匀的组织凝固性坏死。

Homogeneous coagulated necrosis of the tissue was observed in 5 patients with homogeneous hypoechoic lesions .

脾切面的两个大梗死灶（凝固性坏死）。

Two large infarctions ( areas of coagulative necrosis ) are seen in this sectioned spleen .

结果：牛肝上射频消融后的凝固性坏死灶多呈类圆形；

Results : The coagulation necrosis zones in the ox livers looked similar to the round ;

放射外科治疗后海绵状血管畸形的主要病理改变为凝固性坏死，不断的血栓机化使畸形管腔逐渐闭锁。

The main pathological changes of cavernoma were coagulation necrosis and the vessels obliterated gradually after radiosurgery .

溶解和凝固性坏死；

Liquefaction and coagulation necrosis ;

慢性或晚期改变主要是瘤组织凝固性坏死，外围有纤维瘢痕组织包绕，形成一个完全的囊壁。

And the late reaction be coagulation necrosis which was wholly surrounded by a lot of fibrotic tissues .

中等能量组4头猪胰腺凝固性坏死程度较轻，1头发生结肠坏死；

The pancreatic injury degree by middle-energy HIFU was fairly light : 1 case was with colon necrosis ;