期刊文献+
共找到66篇文章
< 1 2 4 >
每页显示 20 50 100
Computed tomography-guided radiofrequency ablation of the retained iodized oil after simultaneous combination with transarterial embolization in small recurrent or residual hepatocellular carcinoma 被引量:1
1
作者 Zhimei Huang Yangkui Gu +3 位作者 Shaoyong Wu Chunxiao Lai Xiuchen Wang Jinhua Huang 《Journal of Interventional Medicine》 2020年第1期49-54,共6页
Objective:To assess the clinical efficacy and safety of transarterial embolization(TAE)in simultaneous combination with computed tomography(CT)-guided radiofrequency ablation(RFA)for recurrent or residual hepatocellul... Objective:To assess the clinical efficacy and safety of transarterial embolization(TAE)in simultaneous combination with computed tomography(CT)-guided radiofrequency ablation(RFA)for recurrent or residual hepatocellular carcinoma(HCC),and to determine the risk factors influencing local tumor progression following this procedure.Methods:One hundred eighteen patients with recurrent or residual HCC(tumor size,10–30 mm)underwent RFA.During the 19-month follow-up,59 patients received RFA only(RFA group),and the remaining 59 received RFA immediately after TAE(TAE+RFA group).All patients were followed up to observe the short-term therapeutic effects and complications.The cumulative local tumor progression rates in both groups were calculated using unpaired Student’s t tests and the Kaplan-Meier method.Results:The rate of major complications was 5.08%in the TAE+RFA group and 3.39%in the RFA group.The overall response rate was 96.61%in the TAE+RFA group and 79.66%in the RFA group(P=0.008).The disease control rate was significantly higher in the TAE+RFA group than in the RFA group(94.92%vs.79.66%,P=0.024).The median time to local tumor progression was 4.8 months in the RFA group and 9.6 months in the TAE+RFA group.The cumulative local tumor progression rate at 1 year was 10.60%in the RFA group and 23.60%in the TAE+RFA group(P=0.016).Conclusion:TAE in simultaneous combination with CT-guided RFA was effective and safe against recurrent or residual HCC.Local tumor progression can be minimized by the complete ablation of targeted iodized oil deposits after simultaneous TAE. 展开更多
关键词 Transarterial embolization computed tomography-guided RECURRENT RESIDUAL Hepatocellular carcinoma
下载PDF
Computed Tomography-Guided Virtual Stereotactic Puncture and Catheter Drainage for a Brainstem Pontine Hemorrhage: A Case Report
2
作者 Gang Yang Shaojun Yang +1 位作者 Junjie Lv Chenbing Wang 《Case Reports in Clinical Medicine》 2020年第8期223-227,共5页
<strong>Background: </strong>Patients with severe hypertensive brainstem hemorrhages have poor prognoses if they only receive conservative medical management. In contrast, aggressive operative intervention... <strong>Background: </strong>Patients with severe hypertensive brainstem hemorrhages have poor prognoses if they only receive conservative medical management. In contrast, aggressive operative interventions may decrease the morbidity and mortality in such patients. These operative treatments include craniotomy for evacuation of the hematoma, stereotactic positioning, and neuronavigational-guided hemorrhage puncture and drainage. Here, we report a novel and relatively simple procedure to achieve satisfactory outcomes in a patient with a brainstem pontine hemorrhage.<strong> Case Presentation:</strong> A 53-year-old man who was diagnosed with brainstem pontine hemorrhage. On hospital day 6, he underwent CT-guided, virtual stereotactic puncture and catheter drainage of this brainstem pontine hemorrhage. Medical treatments were continued after this procedure. On postoperative day 16 (hospital day 22), the patient was discharged from the hospital, awake and able to answer questions appropriately. Muscle strengths were grades V and IV for the left and right extremities, respectively. The patient was continued with active rehabilitation and achieved a Barthel index of 85 points at one month after the percutaneous drainage procedure. <strong>Conclusion:</strong> CT-guided, virtual stereotactic percutaneous transcranial puncture and catheter drainage for brainstem pontine hemorrhages has obvious potential advantages and offers a possible alternative to achieve the best outcomes with minimal operative trauma compared to open microcraniotomy. 展开更多
关键词 computed tomography-guided STEREOTACTIC Catheter Drainage Pontine Hemorrhage
下载PDF
Fine needle aspiration diagnosis of isolated pancreatic tuberculosis: A case report 被引量:2
3
作者 Nikhil Sonthalia Sayantan Ray +2 位作者 Partha Pal Avishek Saha Arunansu Talukdar 《World Journal of Clinical Cases》 SCIE 2013年第5期181-186,共6页
Tuberculosis(TB) involving the pancreas are uncommon, especially when present in immunocompetent hosts. Pancreatic TB is more frequently associated with miliary TB or widely disseminated disease. Pancreatic TB may pre... Tuberculosis(TB) involving the pancreas are uncommon, especially when present in immunocompetent hosts. Pancreatic TB is more frequently associated with miliary TB or widely disseminated disease. Pancreatic TB may present as cystic or solid pancreatic masses, pancreatic abscess or acute or chronic pancreatitis. Majority of the cases are diagnosed after surgical exploration for presumed pancreatic malignancy and preoperative diagnosis is quite difficult. However, improvement in imaging techniques and the resulting imageguided interventions gradually can obviate the need for more invasive diagnostic surgical procedures and expedite the planning of therapy. Herein, we report a rare case of isolated pancreatic TB which presented with pancreatic mass lesion in an immunocompetent host. Diagnosis was made by contrast enhanced computed tomography and guided fine needle aspiration of the pancreatic mass which revealed acid-fast bacillion Ziehl-Neelsen stain. The case was treated successfully with antituberculous drugs. Pancreatic tuberculosis should be considered in the differential diagnosis of a pancreatic mass when the patient is young, residing in the endemic zone of tuberculosis. Every attempt should be made to diagnose the cases to prevent unnecessary operation. 展开更多
关键词 PANCREATIC TUBERCULOSIS PANCREATIC mass PRE-OPERATIVE DIAGNOSIS computed tomography Fine needle aspiration Antituberculous drugs
下载PDF
Adult with mass burnt lime aspiration: A case report and literature review
4
作者 Xin-Yu Li Hai-Jia Hou +2 位作者 Bing Dai Wei Tan Hong-Wen Zhao 《World Journal of Clinical Cases》 SCIE 2021年第32期9935-9941,共7页
BACKGROUND Foreign body aspiration mainly occurs in children,which can cause a severe concurrent syndrome and even death without timely treatment.As a rare foreign body,aspiration of lime is seldom reported,and most c... BACKGROUND Foreign body aspiration mainly occurs in children,which can cause a severe concurrent syndrome and even death without timely treatment.As a rare foreign body,aspiration of lime is seldom reported,and most cases involve a small amount of hydrated lime.Although the symptoms are usually severe,the prognosis is good after suitable treatment.Experience of treatment for lime aspiration is lacking,and this report provides novel evidence for treatment of mass burnt lime aspiration using bronchoscopy.CASE SUMMARY We report an adult with a large amount of burnt lime aspiration.Because of delay in clearance of the inhaled lime in the trachea and bronchus at the local hospital,he suffered several severe complications,including complete occlusion of the right primary bronchus,aeropleura,aerodermectasia,pneumomediastinum,secondary infection and hypoxemia at 4 d after injury.After transferring to our department,bronchoscopy was immediately carried out to clear the lime in the major airway,using foreign body forceps,biopsy forceps,puncture needle,and hairbrush.The patient’s condition recovered rapidly and at 3-months’follow-up,he demonstrated good recovery of the bronchus and lung parenchyma.CONCLUSION After mass lime aspiration,flexible fiberoptic bronchoscopy is suggested as early as possible,using clamping,flushing or cryotherapy. 展开更多
关键词 Burnt lime aspiration Bronchial obstruction Flexible fiberoptic bronchoscopy computed tomography Case report
下载PDF
Multidisciplinary approach to suspected sudden unexpected infant death caused by milk-aspiration:A case report
5
作者 Aniello Maiese Raffaele La Russa +4 位作者 Mauro Arcangeli Gianpietro Volonnino Alessandra De Matteis Paola Frati Vittorio Fineschi 《World Journal of Clinical Cases》 SCIE 2020年第18期4128-4134,共7页
BACKGROUND The term sudden unexpected infant death(SUID)is not always properly invoked.It refers to a broad range of conditions that sometimes defy classification.There is not only a strong emotional impact on the fam... BACKGROUND The term sudden unexpected infant death(SUID)is not always properly invoked.It refers to a broad range of conditions that sometimes defy classification.There is not only a strong emotional impact on the family,but such cases are also quite complex.Underlying causes may be multiple,not always readily apparent,and have potential repercussions,especially in terms of forensics.CASE SUMMARY A 5-month-old male baby was pronounced dead following acute lung failure and cardiopulmonary arrest.The parents had immediately rushed their child to the hospital,stating the baby was found prone and not breathing.Total-body postmortem computed tomography(PMCT)was performed,revealing a hypodense material of indeterminate nature within the main airways and areas of ground-glass parenchymal change.At autopsy,the respiratory tract mucosa appeared edematous and was coated with a whitish stringy material.There was widespread airspace reduction due to parenchymal collapse.Alveolar sacs and bronchial openings contained abundant amorphous material admixed with white blood cells.Immunohistochemical studies were performed,targeting CD15,CD68,and alpha-lactalbumin.Ultimately,the focus was on alpha-lactalbumin(milk protein),which showed marked immunopositivity within alveolar spaces.Cytoplasmic staining of macrophages was also particularly prominent.CONCLUSION Postmortem investigations are thus essential to identify causes of death and surrounding circumstances.PMCT is a useful tool in this setting,given the frequent dearth of autopsy findings and ambiguity as to cause of death in SUID cases.These findings,later confirmed by immunohistochemical investigations,were indicative of active pneumonia due to aspirated milk.The present account illustrates the importance a broad diagnostic approach to SUID in cases of forensic concern.PMCT is a very valuable aid in cases of forensic interest,as it can provide useful information in all those situations in which the cause of death is uncertain or there are no suggestive dynamics or lesions. 展开更多
关键词 Sudden unexpected infant death aspiration pneumonia Postmortem computed tomography Case report Diagnosis IMMUNOHISTOCHEMISTRY
下载PDF
Diagnosis of gastric duplication cyst by positron emission tomography/computed tomography: A case report
6
作者 Ying-Bin Hu Hua-Wei Gui 《World Journal of Clinical Cases》 SCIE 2019年第22期3866-3871,共6页
BACKGROUND Gastric duplication cysts(GDCs)are extremely uncommon lesions and the definitive diagnosis of GDCs is challenging for gastrointestinal specialists.It is important that a differential diagnosis is performed ... BACKGROUND Gastric duplication cysts(GDCs)are extremely uncommon lesions and the definitive diagnosis of GDCs is challenging for gastrointestinal specialists.It is important that a differential diagnosis is performed to rule out the possibility of other diseases,mainly malignancies with a cystic component.Despite the use of multiple diagnostic modalities including endoscopy,the preoperative diagnosis of GDCs is challenging.CASE SUMMARY A 53-year-old female patient with a GDC was confirmed by positron emission tomography/computed tomography(PET/CT)instead of more conventional procedures such as endoscopic ultrasonography-guided fine needle aspiration(EUS-FNA).We propose that 18F-FDG-PET/CT has higher accuracy than EUSFNA and may be an effective technique for the characterization of duplication cysts.CONCLUSION Preoperative diagnosis of GDCs in adults is difficult largely due to their rarity and the absence of characteristic findings.In addition,few endoscopists include GDCs in the differential diagnosis when they encounter a lesion with cystic characteristics.18F-FDG-PET/CT with additional imaging data,may complement EUS-FNA in the diagnosis of GDCs. 展开更多
关键词 GASTRIC DUPLICATION CYST Positron emission tomography/computedtomography ENDOSCOPIC ultrasonography-guided fine needle aspiration Laparoscopy ENDOSCOPIC SUBMUCOSAL dissection Case report
下载PDF
B超、双能CT、细针穿刺在甲状腺乳头状癌术前评估淋巴结转移中的优化选择
7
作者 李琳 张丽君 +1 位作者 斯岩 沈美萍 《中国肿瘤外科杂志》 CAS 2024年第3期266-270,共5页
目的探寻高分辨率超声检查(B超)、双能计算机断层扫描(DECT)以及细针穿刺抽吸活检(FNAB)在甲状腺癌患者术前淋巴结转移(LNM)诊断时的最佳选择。方法回顾性分析了1174例在南京医科大学第一附属医院行手术治疗的甲状腺乳头状癌患者的资料... 目的探寻高分辨率超声检查(B超)、双能计算机断层扫描(DECT)以及细针穿刺抽吸活检(FNAB)在甲状腺癌患者术前淋巴结转移(LNM)诊断时的最佳选择。方法回顾性分析了1174例在南京医科大学第一附属医院行手术治疗的甲状腺乳头状癌患者的资料,术前所有患者均行B超和DECT检查,其中167例患者加做侧区淋巴结FNAB和细针穿刺抽吸物洗脱液甲状腺球蛋白测定(FNA-TG)以评估LNM情况,手术后的常规病理结果作为诊断“金标准”,分析不同情况下甲状腺乳头状癌(PTC)LNM评估方法的最优选择。结果DECT对于中央区淋巴结转移(CLNM)和侧区PTC淋巴结转移(LLNM)预测的灵敏度较B超有显著提高(55.4%vs.44.8%,P<0.001)(90.9%vs.71.6%,P<0.001),B超在LLNM预测的特异性较DECT有优势(72.7%vs.42.7%,P<0.001);B超、DECT联合诊断对CLNM和LLNM的阳性预测准确率较高(91.6%,94.8%),当联合诊断结果不一致时其阳性预测值明显下降(74.3%,63.1%)。此时,增加可疑淋巴结FNAB及FNA-TG检测后其准确率增加至87.9%。结论B超、DECT联合评估是必要的;联合诊断均有转移时,不需要进行额外检查,联合诊断结果不一致时,需要进一步进行淋巴结的FNAB和FNA-TG检测以避免不必要的侧区清扫。 展开更多
关键词 甲状腺乳头状癌 高分辨率超声检查 双能计算机断层扫描 细针穿刺抽吸活检 淋巴结转移
下载PDF
Experimental Computed Tomography-guided Vena Cava Puncture in Pigs for Percutaneous Brachytherapy of Middle Mediastinal Lymph Node Metastases 被引量:2
8
作者 Min Zhao Bin Liu +3 位作者 Sheng-Yong Li Yong-Zheng Wang Yu-Liang Li Yancu Hertzanu 《Chinese Medical Journal》 SCIE CAS CSCD 2015年第8期1079-1083,共5页
Background: Percutaneous brachytherapy is a valuable method for the treatment of lung cancer and mediastinal lymph nodes metastasis. However, in some of the metastatic lymph nodes in the middle mediastinum, the percu... Background: Percutaneous brachytherapy is a valuable method for the treatment of lung cancer and mediastinal lymph nodes metastasis. However, in some of the metastatic lymph nodes in the middle mediastinum, the percutaneous approach cannot be used safely due to possible damage to surrounding anatomical structures. We established an animal model (group of 12 pigs) to assess the safety and feasibility of computed tomography (CT)-guided vena cava puncture. Methods: Under CT guidance, an 18G needle was used to puncture the anterior wall of the anterior vena cava (AVC) in 12 pigs. The 18G needle was chosen as it is similar in size to the needles employed for clinical application in brachytherapy. The incidence of complications and vital signs was monitored during the procedure. Thoracotomy was performed to remove AVC specimens, which were analyzed for histological evidence of vessel wall damage and repair. Results: Following postoperative enhanced CT, two animals were found to have a small pneumothorax (one being hemopneumothorax). The intraoperative oxygen saturation of both animals was not significantly decreased and was maintained at 93-100%. No animals developed mediastinal hematoma. Preoperative, intraoperative, and postoperative changes in blood pressure, heart rate, hemoglobin, and blood oxygen saturation were not significant. Histological evaluation of AVC specimens showed that by 7 days following the procedure, the endothelial layer was smooth with notable scar repair in the muscularis layer. Conclusions: CT performed after the procedure and histological preparations confirmed the safety of the procedure. This indicates that percutaneous brachytherapy for metastatic middle mediastinal lymph nodes can be carried out via the superior vena cava. 展开更多
关键词 Anterior Vena Cava BRACHYTHERAPY computed tomography-guided Puncture Imaging-based Procedures Swine
原文传递
单腔深静脉管气胸抽吸后再行经皮肺穿刺活检的临床应用价值 被引量:1
9
作者 邹容 狄镇海 +3 位作者 谭中宝 王庆庆 张建 毛学群 《放射学实践》 CSCD 北大核心 2023年第1期89-92,共4页
目的:探讨初次经皮肺穿刺活检过程中因气胸而活检失败,使用单腔深静脉管抽气后再行活检的安全性和可行性。方法:2017年8月至2021年8月452例患者行CT引导下肺穿刺活检,其中12例因出现气胸而活检失败,使用单腔深静脉管置入抽气并再次行肺... 目的:探讨初次经皮肺穿刺活检过程中因气胸而活检失败,使用单腔深静脉管抽气后再行活检的安全性和可行性。方法:2017年8月至2021年8月452例患者行CT引导下肺穿刺活检,其中12例因出现气胸而活检失败,使用单腔深静脉管置入抽气并再次行肺活检。回顾性分析12例患者的病例资料,记录肺内病灶的大小、距离胸膜的距离、病灶在肺叶的位置、有无肺气肿、有无成功获得组织、有无明确的病理结果、有无肺内出血等并发症。结果:12例肺病灶直径为1.5~3.5 cm, 3例距离胸膜较近,平均距离为1.2 cm, 9例距离胸膜较远,平均距离为5.5 cm;8例病灶位于肺下叶,2例位于右肺中叶,2例位于右肺上叶,4例患者有肺气肿;12例患者再次活检后均成功取到组织并有明确的病理结果。活检完成后CT复查有4例出现少量渗出性改变,其中2例少量咯血,均经保守治疗后好转。1例合并肺气肿患者术后1 h出现大量气胸,行胸腔闭式引流后明显缓解。所有患者均未出现胸腔积液或其他严重并发症。结论:初次经皮肺穿刺活检过程中因气胸而活检失败,使用单腔深静脉管抽气后再次行肺活检安全、有效,值得临床推广应用。 展开更多
关键词 肺活检 经皮肺穿刺 气胸 抽吸 体层摄影术 X线计算机
下载PDF
CT、MRI与超声引导下细针穿刺活检诊断甲状腺结节良恶性的研究 被引量:3
10
作者 尹淑丹 张晖 +3 位作者 连鹏 关三丽 李令民 张旗 《中国医学装备》 2023年第5期64-68,共5页
目的:研究CT、MRI及超声引导下细针穿刺活检(FNAB)对甲状腺结节良恶性的诊断价值。方法:选取医院收治的245例甲状腺结节患者,所有患者均行CT、MRI和(或)超声引导下FNAB检查,并经手术及病理证实。以手术病理结果为“金标准”,分析CT、MRI... 目的:研究CT、MRI及超声引导下细针穿刺活检(FNAB)对甲状腺结节良恶性的诊断价值。方法:选取医院收治的245例甲状腺结节患者,所有患者均行CT、MRI和(或)超声引导下FNAB检查,并经手术及病理证实。以手术病理结果为“金标准”,分析CT、MRI及FNAB检查方式对甲状腺结节良恶性的诊断效能。结果:超声引导下FNAB诊断甲状腺结节的准确率为95.87%,显著高于CT(76.96%)和MRI(73.53%),差异有统计学意义(χ^(2)=53.143,P<0.05);两两联合诊断中,CT+FNAB及MRI+FNAB显著优于CT+MRI,差异有统计学意义(χ^(2)=9.256,χ^(2)=9.023;P<0.05);CT、MRI对≤1 cm及>1 cm结节的诊断效能相当,FNAB对≤1 cm和>1 cm甲状腺结节的诊断与手术病理结果均有一致性(Kappa=0.663,Kappa=0.949;P<0.05)。结论:超声引导下FNAB对结节性质的诊断效能优于CT、MRI,但CT及MRI可为临床诊断及病情评估提供有利的影像学信息。 展开更多
关键词 计算机体层摄影(CT) 甲状腺结节 超声引导 活组织检查 细针穿刺(FNAB)
下载PDF
椎基底动脉抽吸取栓的数值仿真
11
作者 罗梓艺 邱雪 程云章 《生物医学工程研究》 2023年第3期224-229,256,共7页
为探究椎基底动脉抽吸取栓的血流动力学机制,本研究结合临床数据和计算流体力学,对血管模型进行抽吸取栓的流固耦合数值仿真,观察抽吸取栓效果。通过设定不同的入口压力,仿真不同抽吸压力下,抽吸取栓对血管的影响。结果显示,随着抽吸压... 为探究椎基底动脉抽吸取栓的血流动力学机制,本研究结合临床数据和计算流体力学,对血管模型进行抽吸取栓的流固耦合数值仿真,观察抽吸取栓效果。通过设定不同的入口压力,仿真不同抽吸压力下,抽吸取栓对血管的影响。结果显示,随着抽吸压力增大,等效应力、血管壁面剪切应力(wall shear stress,WSS)和形变量均呈增大趋势。结果表明,抽吸取栓对血管的损伤和其压力呈正相关。本研究可为抽吸取栓的压力设计提供血流动力学理论依据。 展开更多
关键词 介入治疗 血管仿真 计算流体力学 有限元分析 直接抽吸取栓术 VBA
下载PDF
计算机断层扫描引导经皮细针穿刺活检与超声内镜引导下细针穿刺活检在胰腺肿瘤性病变诊断中的比较观察 被引量:1
12
作者 樊涛 宋英杰 +5 位作者 程三珍 任小丽 于兆民 夏楠 施梦华 刘佳琪 《肿瘤基础与临床》 2023年第5期415-420,共6页
目的探讨计算机断层扫描引导经皮穿刺活检(CT-PNB)和超声内镜引导下细针穿刺活检(EUS-FNA)在胰腺肿瘤性病变诊断中的准确性、安全性与材料充分性。方法回顾性分析2016年10月至2019年10月湖北省中西医结合医院和宜昌市第一人民医院因疑... 目的探讨计算机断层扫描引导经皮穿刺活检(CT-PNB)和超声内镜引导下细针穿刺活检(EUS-FNA)在胰腺肿瘤性病变诊断中的准确性、安全性与材料充分性。方法回顾性分析2016年10月至2019年10月湖北省中西医结合医院和宜昌市第一人民医院因疑似胰腺肿瘤性病变行CT-PNB或EUS-FNA获得病理学诊断的98例患者的临床病理资料,其中行CT-PNB胰腺肿瘤性病变40例,行EUS-FNA胰腺肿瘤性病变58例。结果所有患者均顺利完成活检,CT-PNB组和EUS-FNA组敏感性、特异性、阴阳性预测值、准确性、材料充分性分别为85.00%(34/38)和90.57%(48/53)、100.00%(2/2)和100.00%(5/5)、33.33%(2/6)和50.00%(5/10)、100.00%(48/48)和100.00%(48/48)、90.00%(36/40)和91.38%(53/58)。CT-PNB组和EUS-FNA组获取5分材料标本率分别为82.50%(33/40)和63.79%(37/58),差异有统计学意义(χ^(2)=4.059,P=0.039)。所有患者均无大出血、腹腔感染、胰瘘、肠瘘等严重的主要并发症发生。结论CT-PNB与EUS-FNA在胰腺肿瘤性病变诊断中均可获得满意的病理诊断标本,并发症发生率低,是微创、安全、有效的活检方式,其中CT-PNB在穿刺活检病理材料充分性方面占有优势。 展开更多
关键词 胰腺癌 计算机断层扫描 超声内镜 细针穿刺活检
下载PDF
Difficulties in diagnosing angiomatoid fibrous histiocytoma of the head and neck region:A case report
13
作者 Adam Michcik Marta Bień +4 位作者 Barbara Wojciechowska Adam Polcyn Łukasz Garbacewicz Jacek Kowalski Barbara Drogoszewska 《World Journal of Clinical Cases》 SCIE 2023年第26期6252-6261,共10页
BACKGROUND Angiomatoid fibrous histiocytoma(AFH)is a rare,slow-growing soft tissue tumor.It appears mostly on the limbs and trunk in children and young adults.The biology of AFH remains unclear because of the small nu... BACKGROUND Angiomatoid fibrous histiocytoma(AFH)is a rare,slow-growing soft tissue tumor.It appears mostly on the limbs and trunk in children and young adults.The biology of AFH remains unclear because of the small number of reported cases.Diagnostic testing does not provide definitive results.It has two clinical forms,that differ in terms of gene expression and clinical prognosis.It is important to inform the laboratory which specific gene testing is necessary.Here,we describe a case of rare AFH in the submandibular region using a full genetic panel.CASE SUMMARY A 13-year-old boy who had been misdiagnosed in the past 6 mo by his dentist visited our clinic because of a lesion in the submandibular area on the right side.The lesion was homogeneous and painless upon palpation.No skin discoloration was observed.Due to the non-specific radiological picture computed tomography(CT),magnetic resonance imaging(MRI),cone-beam CT(CBCT),and ultrasoundguided biopsy were performed.A venous malformation was suspected on the MRI.None of the tests provided a definitive diagnosis.Owing to the non-specific radiological findings,the patient qualified for surgical treatment.The surgical procedure included an excisional biopsy.The diagnostic testing was extended using gene rearrangements.The most distinctive gene translocation in diagnosing AFH is within the EWS RNA-binding protein 1(EWSR1)-CREB-binding protein.However,in this case,the diagnosis was confirmed by a rearrangement within the EWSR1 gene testing.CONCLUSION AFH in the submandibular location is rare,and surgical treatment with genetic evaluation defines AFH type that affects subsequent procedures. 展开更多
关键词 Angiomatoid fibrous histiocytoma Head and neck Fine-needle aspiration CREB-binding protein Gene expression computed tomography Case report
下载PDF
CT导引下经皮肺组织活检术常见并发症及穿刺体会 被引量:40
14
作者 李国栋 周正荣 +1 位作者 李文涛 彭卫军 《介入放射学杂志》 CSCD 2007年第12期847-849,共3页
目的分析CT导引下经皮肺组织活检术常见并发症,探讨穿刺操作技巧在减少手术并发症中的作用。方法收集2006年6月-2007年6月肺内实质性占位病灶行经皮肺肿块穿刺活检术116例,分析并发症的种类、主要并发症及其处理措施,探讨CT导引下经皮... 目的分析CT导引下经皮肺组织活检术常见并发症,探讨穿刺操作技巧在减少手术并发症中的作用。方法收集2006年6月-2007年6月肺内实质性占位病灶行经皮肺肿块穿刺活检术116例,分析并发症的种类、主要并发症及其处理措施,探讨CT导引下经皮肺内肿物穿刺过程及其体会。结果116例经皮肺肿块穿刺活检术均穿刺成功。发生的并发症主要有气胸(15.5%)、穿刺道出血(10.3%),咯血(4.3%),其他(1.7%)。除1例气胸患者予以胸腔闭式引流外,余均未作特殊处理。结论CT导引下经皮肺穿刺术是一项安全有效的诊断技术。穿刺术前病灶评估、术中精确定位及正确训练患者呼吸运动以配合穿刺操作可减少并发症。 展开更多
关键词 肺内病变 经胸针吸活组织检查 断层摄影术 X线计算机 气胸
下载PDF
液氨吸入性肺炎损伤的影像学表现及动态观察 被引量:6
15
作者 赵洪全 孔丽丽 +1 位作者 程永远 孙海成 《中国临床医学影像杂志》 CAS 北大核心 2015年第3期170-174,共5页
目的:回顾分析急性氨中毒所致吸入性肺炎损伤的影像学表现,探讨病变的演化过程。资料与方法:一次事故致30例健康青年人急性氨中毒吸入性肺炎,男9例,女21例。对伤者的所有胸部影像资料进行回顾,重点对19例中、重度中毒者的CT影像表现进... 目的:回顾分析急性氨中毒所致吸入性肺炎损伤的影像学表现,探讨病变的演化过程。资料与方法:一次事故致30例健康青年人急性氨中毒吸入性肺炎,男9例,女21例。对伤者的所有胸部影像资料进行回顾,重点对19例中、重度中毒者的CT影像表现进行动态比较分析。结果:本组30例伤者,轻度中毒11例(36.7%),X线主要表现为肺纹理增多模糊,均在7 d内治愈出院,10月后CT复查未见异常。中度中毒10例(33.3%),急性期CT主要表现:支气管血管束增粗模糊10例,小片状影4例,树芽征1例与上述小片状影同时存在。临床治愈出院3月后CT复查,6例无异常发现,4例局部显示轻度间质纤维化征象。9例(30%)重度中毒者2月内,6例表现为细支气管肺泡炎的征象,可见大小不等的斑片影,毛玻璃密度影(GGO)和"马赛克征";2例表现为细支气管损伤性炎症并阻塞的征象,表现为弥漫分布的"树芽征"等,并很快形成坏死性空洞;1例表现为多发肺组织破坏,空洞形成,同时并发气胸、液气胸、皮下及纵隔气肿等。3月后病变慢性化,斑片影、"树芽征"等逐渐吸收,气胸、皮下及纵隔气肿吸收减少,厚壁空洞逐渐演变为空腔样病变,但GGO和"马赛克征"吸收缓慢。结论:液氨吸入性肺炎病变多样,重度中毒损伤有复杂的病变演化过程,CT对肺内病变的观察有较重要的价值。 展开更多
关键词 肺炎 吸入性 体层摄影术 螺旋计算机 放射摄影术
下载PDF
高血压脑出血不同术式疗效比较 被引量:21
16
作者 曲春城 赵浩 +3 位作者 庄强 冀勇 秦时强 郝晓光 《山东医药》 CAS 北大核心 2007年第30期15-16,共2页
目的比较高血压脑出血的传统开颅术(简称传统组)、CT引导血肿吸引术(定向组)和微创骨窗入路(微创组)3种手术方法,分析手术疗效,探讨手术适应证。方法对105例出血性脑卒中患者,采用单盲研究方法,对比3种手术方式疗效。结果术后1个月内传... 目的比较高血压脑出血的传统开颅术(简称传统组)、CT引导血肿吸引术(定向组)和微创骨窗入路(微创组)3种手术方法,分析手术疗效,探讨手术适应证。方法对105例出血性脑卒中患者,采用单盲研究方法,对比3种手术方式疗效。结果术后1个月内传统组(34例)死亡2例,微创组(35例)和定向组(36例)均无死亡病例。术后3个月内三组中均无新发死亡病例。结论微创骨窗入路及CT引导吸引术治疗高血压脑出血的疗效好,手术死亡率与致残率低,微创组及定向组Karnafsky行为能力评分明显高于传统组(P<0.05)。 展开更多
关键词 高血压 脑出血 外科手术 传统开颅术 CT定向引导吸引术 微创手术
下载PDF
MDCT对吸入性肺炎的诊断价值 被引量:5
17
作者 陆芳 李铭 滑炎卿 《医学影像学杂志》 2014年第3期385-388,394,共5页
目的吸入性肺炎是社区获得性肺炎(community acquired pneumonia,CAP)和医疗机构相关性肺炎(health care-associated pneumonia,HCAP)的常见表现形式,但由于其诊断往往较困难,其重要性尚未得到充分评估。该研究旨在探讨吸入性肺炎的多... 目的吸入性肺炎是社区获得性肺炎(community acquired pneumonia,CAP)和医疗机构相关性肺炎(health care-associated pneumonia,HCAP)的常见表现形式,但由于其诊断往往较困难,其重要性尚未得到充分评估。该研究旨在探讨吸入性肺炎的多层螺旋CT(multi-slice CT)表现,以提高对本病的诊断水平。方法回顾分析28例吸入性肺炎患者的MDCT资料,该研究中将吸入性肺炎定义为满足:①存在误吸危险因素(吞咽困难、意识障碍等);②胸部CT提示存在肺部炎症或气道内异物阻塞的证据。结果 28例中表现为肺内磨玻璃影17例;肺实变影21例,多位于两下肺背侧;支气管血管束增粗者7例;胸腔积液12例;肺不张24例;在所有上述病变中,横断面上病变的分布情况为:前部4例,后部15例,弥漫性分布9例;头足方向的病变分布情况为:上部2例,中部3例,下部15例,弥漫性8例;两侧的分布情况为右侧15例,左侧11例,双侧2例;可观察到气道内异物阻塞者6例。结论吸入性肺炎的HRCT具有特征性,炎症表现以下肺背侧分布为主,可表现为磨玻璃影、肺实变、支气管血管束增厚、胸腔积液及肺不张等。观察到气道内异物阻塞者为直接征象,MDCT能准确显示病灶的细节,从而确定吸入物的类型和所在位置,为做出正确诊断和积极的临床干预提供了依据。 展开更多
关键词 吸入性肺炎 体层摄影术 X线计算机 诊断
下载PDF
EBUS-TBNA与PET/CT在不明原因纵隔淋巴结肿大诊断中的价值 被引量:4
18
作者 杨震 田庆 +3 位作者 王慧霜 安杨 刘星辰 陈良安 《第二军医大学学报》 CAS CSCD 北大核心 2012年第5期493-496,共4页
目的比较支气管超声引导针吸活检术(endobronchial ultrasound guided transbronchial needle aspiration,EBUS-TBNA)和电子发射断层显像/X线计算机体层成像(positron-emission tomography and computed tomography,PET/CT)用于不明原... 目的比较支气管超声引导针吸活检术(endobronchial ultrasound guided transbronchial needle aspiration,EBUS-TBNA)和电子发射断层显像/X线计算机体层成像(positron-emission tomography and computed tomography,PET/CT)用于不明原因纵隔淋巴结肿大诊断的价值,并探讨EBUS-TBNA和PET/CT联合应用的意义。方法回顾性分析解放军总医院呼吸科自2010年12月至2011年8月采用EBUS-TBNA诊断前已采用PET/CT检查的45例不明原因纵隔淋巴结肿大患者的临床资料。所有患者在进行EBUS-TBNA检查前接受普通白光支气管镜检查,均未发现支气管内病变。对于EBUS-TBNA未能明确诊断的患者,可行外科手术切除,并经至少6个月以上的临床和影像学随访。结果 EBUS-TBNA诊断恶性纵隔淋巴结的敏感性为81.48%(22/27)、特异性100%(18/18)、阳性预测值100%(22/22)、阴性预测值78.26%(18/23)、准确性88.89%(40/45);PET/CT诊断恶性纵隔淋巴结的敏感性为92.59%(25/27)、特异性55.56%(10/18)、阳性预测值75.76%(25/33)、阴性预测值83.33%(10/12)、准确性77.78%(34/45),EBUS-TBNA在诊断的特异性(P=0.003)和阳性预测值(P=0.016)方面优于PET/CT。结论 EBUS-TBNA在不明原因纵隔淋巴结肿大的诊断方面有较高的价值;与PET/CT联合应用,可使EBUS-TBNA诊断恶性纵隔淋巴结出现假阴性结果的状况得到改善。 展开更多
关键词 纵隔疾病 淋巴结病 经支气管超声引导针吸活检术 正电子发射断层显像/X线计算机体层成像 诊断
下载PDF
CT引导下寰枢椎病变经皮穿刺活检 被引量:3
19
作者 袁慧书 李选 +1 位作者 刘晓光 谢敬霞 《临床放射学杂志》 CSCD 北大核心 2001年第11期869-871,共3页
目的 全面系统地探讨寰枢椎病变CT引导下穿刺活检的入路选择 ,评价其安全性及临床应用价值。材料与方法  2 5例寰枢椎病变行CT引导下经皮穿刺活检。穿刺部位包括C1及C2 椎体的各个部位。根据病变的部位不同 ,设计相应的进针路径 ,穿... 目的 全面系统地探讨寰枢椎病变CT引导下穿刺活检的入路选择 ,评价其安全性及临床应用价值。材料与方法  2 5例寰枢椎病变行CT引导下经皮穿刺活检。穿刺部位包括C1及C2 椎体的各个部位。根据病变的部位不同 ,设计相应的进针路径 ,穿刺取材。结果  2 5例中 ,2 4例获得明确病理诊断 ,穿刺活检准确率 96 %。其中 12例手术治疗 ,穿刺病理与手术病理符合率 10 0 %。无并发症发生。结论 寰枢椎病变解剖关系复杂 ,毗邻脊髓及重要的大血管 ,选择适宜的穿刺路径尤为关键。寰枢椎病变不同的穿刺路径 ,只要避开大血管及脊髓 ,操作是比较安全的。 展开更多
关键词 寰枢椎病变 经皮穿刺活检 CT引导 介入放射学
下载PDF
误吸相关肺部综合征的影像表现 被引量:2
20
作者 梁蓉 华明辉 张璋 《国际医学放射学杂志》 2016年第6期629-632,共4页
误吸是一种常见的可以引起多种肺部综合征的疾病,由于其常隐匿性发生,易被临床漏诊及误诊。病人接受不及时或不恰当的治疗后会导致病情加重,甚至死亡。结合X线、CT检查中的特征性影像特点和相关临床资料,有助于提高误吸及其相关肺部疾... 误吸是一种常见的可以引起多种肺部综合征的疾病,由于其常隐匿性发生,易被临床漏诊及误诊。病人接受不及时或不恰当的治疗后会导致病情加重,甚至死亡。结合X线、CT检查中的特征性影像特点和相关临床资料,有助于提高误吸及其相关肺部疾病的诊断准确性,对降低疾病死亡率具有重要意义。就几种常见的误吸综合征的影像表现予以综述。 展开更多
关键词 误吸 误吸相关肺部综合征 体层摄影术 X线计算机
下载PDF
上一页 1 2 4 下一页 到第
使用帮助 返回顶部