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Vector Flow Imaging Compared with Digital Subtraction Angiography for Stenosis Assessment in the Superficial Femoral Artery - A Study of Vector Concentration, Velocity Ratio and Stenosis Degree Percentage. 矢流成像与数字减影血管造影在股浅动脉狭窄评估中的比较——矢流浓度、流速比和狭窄程度百分比的研究。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-03-01 Epub Date: 2019-03-15 DOI: 10.1055/a-0853-2002
Kristoffer Lindskov Hansen, Peter Møller Hansen, Caroline Ewertsen, Lars Lönn, Jørgen Arendt Jensen, Michael Bachmann Nielsen
Abstract Purpose Stenosis of the superficial femoral artery (SFA) induces complex blood flow with increased velocities. Disease assessment is performed with Doppler ultrasound and digital subtraction angiography (DSA), but Doppler ultrasound is limited by angle dependency and DSA by ionizing radiation. An alternative is the vector flow imaging method based on transverse oscillation (TO), an angle-independent vector velocity technique using ultrasound. In this study, flow complexity and velocity measured with TO were compared with DSA for the assessment of stenosis in the SFA. Materials and Methods The vector concentration, a measure of flow complexity, and the velocity ratio obtained from the stenosis and a disease-free adjacent vessel segment, were estimated with TO in 11 patients with a total of 16 stenoses of the SFA. TO data were compared with the corresponding stenosis degree percentage obtained with DSA. Results The correlation between the vector concentration and DSA was very strong (R=0.93; p<0.001; 95% confidence interval (CI): 0.81–0.98), while only moderate for velocity ratio and DSA (R=0.50; p<0.07; 95% CI: 0.00–0.80). The correlation coefficients that were found were significantly different (p<0.005) without overlapping CI. Conclusion The study indicated that flow changes in the SFA induced by stenosis can be quantified with TO, and that stenosis grading may be improved by estimation of flow complexity instead of velocity ratio. TO is a potential diagnostic tool for the assessment of atherosclerosis and peripheral arterial disease.
目的:股浅动脉(SFA)狭窄引起复杂血流,血流速度加快。疾病评估采用多普勒超声和数字减影血管造影(DSA)进行,但多普勒超声受角度依赖性和DSA受电离辐射的限制。另一种选择是基于横向振荡(TO)的矢量流成像方法,这是一种利用超声波的不依赖角度的矢量速度技术。在本研究中,将用TO测量的血流复杂性和流速与DSA进行比较,以评估SFA狭窄。材料和方法:使用TO对11例共16例SFA狭窄的患者进行了矢量浓度(一种衡量血流复杂性的指标)和从狭窄和无病邻近血管段获得的流速比的估计。将TO数据与DSA获得的相应狭窄程度百分比进行比较。结果:载体浓度与DSA的相关性非常强(R=0.93;结论:本研究表明,使用TO可以量化狭窄引起的SFA内的流量变化,并且可以通过估算流动复杂性而不是流速比来改进狭窄的分级。TO是评估动脉粥样硬化和外周动脉疾病的潜在诊断工具。
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引用次数: 22
Editorial. 社论。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-03-01 Epub Date: 2020-02-26 DOI: 10.1055/a-0868-8065
Adrian Saftoiu
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引用次数: 0
The ‘Disappearing’ Liver on CEUS: Nothing to Worry About 超声造影显示“消失”的肝脏:不用担心
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-03-01 DOI: 10.1055/a-1005-7459
T. Müller, F. Posnien, C. Sarrazin
scattered tight pattern of hyperechoic areas (▶Fig. 3). The etiology of the phenomenon is still unknown and various hypotheses have been discussed: intestinal formation of unsheathed gas, bubble fusion or gas bubble pooling (Caruso G et al. Radiol Med (Torino) 2007; 112: 56–63; Shimada T et al. Ultrasound Med Biol 2012; 38: 1317–1323; Cui XW et al. Ultraschall Med 2014; 35: 246– 252). In all reported cases except one, the patients remained free of symptoms and liver enzymes were not reported to be altered. One patient experienced “general discomfort and a transient skin rush” during the infusion of the contrast media, before the appearance of PHLE (Tana C et al. Ultrasound Med Biol 2013; 39: 2214). After days, the US image of the liver is normal again in all patients. In the few patients that received a second portion of US contrast media days later, the phenomenon did not reappear. From the case series estimations, the incidence rate seems to be somewhere around 0.01–0.8 % of CEUS examinations. These rates are questionable and do not quite match the results from a recent oral survey among experienced German medical doctors, each having performed more than 1 000 CEUS investigations. Most of them were not aware of this side effect of contrast media.
高回声区域的分散紧密模式(▶图。3).该现象的病因尚不清楚,并讨论了各种假设:肠内形成无鞘气体,气泡融合或气泡池化(Caruso G et al.)。放射医学(都灵)2007年;112: 56 - 63;Shimada等。2012;38: 1317 - 1323;崔小伟等。Ultraschall Med 2014;35: 246 - 252)。在所有报告的病例中,除一例外,患者均无症状,肝酶未见改变。在PHLE出现之前,一名患者在输注造影剂期间经历了“全身不适和短暂的皮肤冲动”(Tana C等)。超声医学,2013;39: 2214)。几天后,所有患者的肝脏图像恢复正常。在少数接受第二部分美国造影剂几天后,这种现象没有再出现。从病例序列估计,发生率似乎在超声造影检查的0.01 - 0.8%左右。这些比率值得怀疑,与最近在经验丰富的德国医生中进行的口头调查结果不太相符,每位医生都进行了1 000多次超声造影检查。他们中的大多数都没有意识到造影剂的这种副作用。
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引用次数: 2
Endoscopic Ultrasound-Guided Drainage of a Pancreatic Pseudocyst after a Bicycle Trauma 超声内镜引导下胰腺假性囊肿引流术的研究
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-03-01 DOI: 10.1055/a-0948-5620
H. Grossjohann, T. Kristensen, C. Hansen
Blunt pancreatic injuries are rare as they only comprise 1–5% of abdominal trauma, and half of the cases are seen in combination with multiple injuries. More than 60% of pancreatic injuries are located in the body and tail of the gland (Krige JE et al. Pancreatology. 2017;17(4):592–598). Pancreatic trauma often entails severe lesions with a high morbidity and mortality if treatment is delayed or inadequate (Mohseni S et al. Injury. 2018;49(1):27–32). Treatment is controversial and depends on whether the main pancreatic duct has been injured. Grade I and II trauma is usually managed conservatively, while grade III to V trauma is generally managed operatively either with drainage or resection of major parts of the gland (Ho VP et al. J Trauma Acute Care Surg . 2017;82(1):185–99). However, an increasing number of studies suggest that non-operative management with drainage alone rather than resection may provide acceptable outcomes (Menahem B et al. Hepato Biliary Surg Nutr. 2016;5(6):470–77). We present an acute case with a grade III lesion of the pancreatic neck in an adult treated with surgical drainage and subsequent drainage of a pseudocyst with a lumen-apposing metal stent (LAMS) with conservation of the gland. Case presentation A 27-year-old healthy female suffered a grade III lesion of her pancreas after she fell from a bicycle and landed on the handlebar. At a local hospital a pancreatic contusion was found on a trauma CT scan, and the patient was referred to a level 1 trauma center with specialized HPB function. A reassessment of the CT scan revealed complete rupture of the pancreatic neck with a retroperitoneal hematoma without signs of other abdominal injuries. An MRCP confirmed rupture of the main duct with a diastasis measuring 2 cm ( Fig. 1 ). A conservative approach was chosen, and the patient was treated with a nasogastric tube with continuous suction, intravenous proton pump inhibitor (pantoprazole 40 mg b.i.d.), subcutaneous octreotide 100 microgram t.i.d., intravenous cefuroxime 1500 mg t.i.d., metronidazole 1500 mg q.d. and parenteral nutrition. On the third day of admission an endoscopic retrograde cholangiopancreatography (ERCP) with papillotomy of the pancreatic duct was performed to ease the flow to the duodenum and diminish the leakage from the severed duct. Due to the considerable diastasis of the duct ends and the large hematoma with displacement of the fractured parts, an attempt to insert a bridge prosthesis over the contused area was not attempted. On the fourth day the patient’s condition deteriorated with increasing abdominal pain, inflammatory parameters and on free intraperitoneal fluid seen on ultrasonography. A laparotomy was performed with removal of 2000 ml ascites, but the surgeon refrained from resection of the distal part of the gland due to a large retroperitoneal hematoma in the retroperitoneal space. Instead two external 18 Fr tubes were placed along the superior and inferior pancreatic border, r
钝性胰腺损伤是罕见的,因为它们只占腹部创伤的1-5%,一半的病例合并多重损伤。超过60%的胰腺损伤位于腺体体和尾部(Krige JE et al.)。Pancreatology。2017;17(4):592 - 598)。如果治疗延迟或不充分,胰腺创伤通常会导致严重病变,发病率和死亡率都很高(Mohseni S等)。受伤。2018;49(1):新)。治疗是有争议的,取决于主胰管是否受损。I级和II级创伤通常采用保守治疗,而III至V级创伤通常采用手术治疗,要么引流,要么切除腺体的主要部分(Ho VP等)。创伤急症护理外科。82(1): 185 - 2017; 99)。然而,越来越多的研究表明,单纯引流而非切除的非手术治疗可能会提供可接受的结果(Menahem B等)。肝胆外科杂志,2016;5(6):470-77。我们报告了一个急性病例与III级胰腺颈部病变的成人治疗手术引流和随后的假囊肿引流管旁金属支架(LAMS)与腺体保存。病例介绍一名27岁的健康女性从自行车上跌落并落在车把上后,胰腺出现III级病变。在当地一家医院,在创伤CT扫描中发现胰腺挫伤,并将患者转至具有专门HPB功能的一级创伤中心。重新评估CT扫描显示胰腺颈部完全破裂伴腹膜后血肿,无其他腹部损伤迹象。MRCP证实主导管破裂,并伴有2厘米的转移(图1)。选择保守入路,给予鼻胃管持续抽吸,静脉注射质子泵抑制剂(泮托拉唑40 mg b.i.d),奥曲肽100微克皮下滴注,头孢呋辛1500 mg t.i.d,甲硝唑1500 mg q.d,肠外营养。入院第3天行内镜逆行胰管造影(ERCP)并行胰管乳头切开术,以缓解流向十二指肠的血流,减少切断胰管的渗漏。由于导管末端有相当大的转移和骨折部分的大血肿移位,没有尝试在挫伤区域插入桥式假体。第4天,患者病情恶化,腹痛加重,超声检查发现炎症参数增加,腹腔内积液增多。开腹手术切除了2000毫升腹水,但由于腹膜后间隙有大的腹膜后血肿,外科医生没有切除腺体的远端部分。相反,在胰腺上下边界分别放置两根18fr外置管,并关闭腹部。病人的一般情况迅速好转,不再需要止痛药,全身炎症反应减少,她开始正常饮食,由于液体量减少,一根腹腔插管被停止。在剩余的试管中,淀粉酶为10,000 U/l,液体水平稳定在200 ml/d左右。患者于第16天出院,每周在门诊随访1次,间歇性回拉引流管,直到皮肤形成瘘管,8周后拔出引流管。取下引流管两周后,瘘管的分泌物停止,患者主诉不适和腹痛加剧。CT扫描显示假性囊肿4.6×3.1×2.6 cm(图1),MRCP和MR血管造影显示切断的胰管直径为6mm,腺体两侧动脉灌注(图2)。超声内镜检查后,在胃和囊肿之间置入10×10 mm HOT AXIOS TM支架(Boston scientific, Marlborough, MA)(图3和图4)。4)。治疗性宾得超声内窥镜(EG-3870UTK;宾得,东京,日本)和日立超声工作站(EUB 7500, HI Vison Preirus;使用日立医疗公司,日本东京)。在EUS控制下,使用Hot AXIOS支架尖端的电灼丝穿刺标本。一旦装置在囊肿内被满意地定位,支架的远端法兰在EUS控制下展开。然后将该装置拉回,直到远端法兰紧贴腔壁变形。在内镜直接控制下,将近端凸缘放置在管腔侧。当天晚上,患者可以正常进食,腹痛停止,第二天出院。5周后,CT扫描显示囊肿塌陷,植入支架9周后,常规胃镜检查取出支架。 取出支架两周后,CT扫描显示囊肿没有复发,胰管仍有6毫米长,两半胰腺都有血液供应。患者表现良好,无吸收不良或糖尿病迹象,随访结束,但仍与我科保持公开联系。图1 CT扫描显示胰腺颈部创伤,头部和身体之间有2厘米的转移,伴腹膜后外渗。
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引用次数: 2
Thyroid Lymphoepithelial Cysts Mimicking Calcified or Solid Nodules on Ultrasonography. 甲状腺淋巴上皮囊肿,超声表现为类似钙化或实性结节。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-03-01 Epub Date: 2019-07-01 DOI: 10.1055/a-0943-6553
Yukie Tsutsuura, Mitsuyoshi Hirokawa, Ayana Suzuki, Hisashi Ota, Maki Oshita, Mitsuhiro Fukushima, Kaoru Kobayashi, Akira Miyauchi

Purpose: Thyroid lymphoepithelial cysts (TLECs) are rare, and detailed ultrasonography (US) findings have not been reported. This study aimed to examine in detail the US findings for 32 TLECs and to clarify the diagnostic problems associated with them.

Materials and methods: We examined 32 TLECs resected from 21 patients at the Kuma hospital between January 2008 and April 2018. All patients underwent US before resection. From the patients' medical records, we retrospectively assessed US reports and photographs of TLECs.

Results: The following four types of TLECs were classified: cystic, mixed solid and cystic, pseudo-solid, and pseudo-calcified types. The incidences were 50.0%, 12.5%, 12.5%, and 25.0%, respectively. Among the four types, pseudo-calcified TLECs were the smallest in size (mean: 7.1 mm). Of 24 nodules that had been interpreted in US reports, 11, 9, 1, 2, and 1 were benign, very low, low, intermediate, and high, respectively. Calcification and intramural solid growth were not identified by histological examination.

Conclusion: We should be aware that approximately half of TLECs do not exhibit US appearances typical of simple cysts, and TLECs may mimic calcified or solid nodules on US, although the reason remains unknown.

目的:甲状腺淋巴上皮囊肿(TLECs)是罕见的,详细的超声检查(US)未见报道。本研究旨在详细检查美国32例TLECs的发现,并阐明与之相关的诊断问题。材料和方法:我们检查了2008年1月至2018年4月在Kuma医院从21名患者中切除的32例TLECs。所有患者在切除前均行US。从患者的医疗记录中,我们回顾性地评估了美国报告和TLECs的照片。结果:TLECs分为囊性、混合实性和囊性、假实性和假钙化四种类型。发病率分别为50.0%、12.5%、12.5%和25.0%。四种类型中,伪钙化TLECs尺寸最小,平均为7.1 mm。在美国报道的24例结节中,11例、9例、1例、2例和1例分别为良性、极低、低、中、高。组织学检查未发现钙化和壁内固体生长。结论:我们应该意识到,大约一半的TLECs没有表现出单纯性囊肿的典型超声表现,TLECs可能在超声上类似钙化或实性结节,尽管原因尚不清楚。
{"title":"Thyroid Lymphoepithelial Cysts Mimicking Calcified or Solid Nodules on Ultrasonography.","authors":"Yukie Tsutsuura,&nbsp;Mitsuyoshi Hirokawa,&nbsp;Ayana Suzuki,&nbsp;Hisashi Ota,&nbsp;Maki Oshita,&nbsp;Mitsuhiro Fukushima,&nbsp;Kaoru Kobayashi,&nbsp;Akira Miyauchi","doi":"10.1055/a-0943-6553","DOIUrl":"https://doi.org/10.1055/a-0943-6553","url":null,"abstract":"<p><strong>Purpose: </strong>Thyroid lymphoepithelial cysts (TLECs) are rare, and detailed ultrasonography (US) findings have not been reported. This study aimed to examine in detail the US findings for 32 TLECs and to clarify the diagnostic problems associated with them.</p><p><strong>Materials and methods: </strong>We examined 32 TLECs resected from 21 patients at the Kuma hospital between January 2008 and April 2018. All patients underwent US before resection. From the patients' medical records, we retrospectively assessed US reports and photographs of TLECs.</p><p><strong>Results: </strong>The following four types of TLECs were classified: cystic, mixed solid and cystic, pseudo-solid, and pseudo-calcified types. The incidences were 50.0%, 12.5%, 12.5%, and 25.0%, respectively. Among the four types, pseudo-calcified TLECs were the smallest in size (mean: 7.1 mm). Of 24 nodules that had been interpreted in US reports, 11, 9, 1, 2, and 1 were benign, very low, low, intermediate, and high, respectively. Calcification and intramural solid growth were not identified by histological examination.</p><p><strong>Conclusion: </strong>We should be aware that approximately half of TLECs do not exhibit US appearances typical of simple cysts, and TLECs may mimic calcified or solid nodules on US, although the reason remains unknown.</p>","PeriodicalId":44852,"journal":{"name":"Ultrasound International Open","volume":"5 2","pages":"E60-E64"},"PeriodicalIF":3.2,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1055/a-0943-6553","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37398048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Review of Dancing Parasites in Lymphatic Filariasis 淋巴丝虫病中舞蹈寄生虫的研究进展
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-03-01 DOI: 10.1055/a-0918-3678
C. Dietrich, N. Chaubal, A. Hoerauf, K. Kling, M. Piontek, L. Steffgen, S. Mand, Yi Dong
Abstract Lymphatic filariasis is an infection transmitted by blood-sucking mosquitoes with filarial nematodes of the species Wuchereria bancrofti, Brugia malayi und B. timori. It is prevalent in tropical countries throughout the world, with more than 60 million people infected and more than 1 billion living in areas with the risk of transmission. Worm larvae with a length of less than 1 mm are transmitted by mosquitoes, develop in human lymphatic tissue to adult worms with a length of 7–10 cm, live in the human body for up to 10 years and produce millions of microfilariae, which can be transmitted further by mosquitoes. The adult worms can be easily observed by ultrasonography because of their size and fast movements (the so-called “filarial dance sign”), which can be differentiated from other movements (e. g., blood in venous vessels) by their characteristic movement profile in pulsed-wave Doppler mode. Therapeutic options include (combinations of) ivermectin, albendazole, diethylcarbamazine and doxycycline. The latter depletes endosymbiotic Wolbachia bacteria from the worms and thus sterilizes and later kills the adult worms (macrofilaricidal or adulticidal effect).
摘要淋巴丝虫病是一种由吸血蚊子携带班氏乌氏菌、马来布鲁氏菌和蒂莫里B.丝虫病传播的疾病。它在世界各地的热带国家流行,有6 000多万人感染,10多亿人生活在有传播风险的地区。长度小于1毫米的蠕虫幼虫由蚊子传播,在人的淋巴组织中发育成7-10厘米长的成虫,在人体内存活长达10年,产生数百万条微丝虫,可通过蚊子进一步传播。由于成虫体积大,运动速度快(所谓的“丝虫舞蹈标志”),因此可以很容易地通过超声检查观察到成虫,这可以与其他运动(如:在脉冲波多普勒模式下,通过它们的特征运动曲线来检测静脉血管中的血液。治疗方案包括伊维菌素、阿苯达唑、二乙基卡马嗪和强力霉素(联合)。后者消耗蠕虫体内共生的沃尔巴克氏菌,从而使成虫绝灭并随后杀死成虫(杀大丝虫或杀成虫作用)。
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引用次数: 21
EFSUMB Recommendations for Gastrointestinal Ultrasound Part 3: Endorectal, Endoanal and Perineal Ultrasound. EFSUMB胃肠超声建议第3部分:直肠内、肛管内和会阴超声。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-01-01 Epub Date: 2019-02-05 DOI: 10.1055/a-0825-6708
Dieter Nuernberg, Adrian Saftoiu, Ana Paula Barreiros, Eike Burmester, Elena Tatiana Ivan, Dirk-André Clevert, Christoph F Dietrich, Odd Helge Gilja, Torben Lorentzen, Giovanni Maconi, Ismail Mihmanli, Christian Pallson Nolsoe, Frank Pfeffer, Søren Rafael Rafaelsen, Zeno Sparchez, Peter Vilmann, Jo Erling Riise Waage

This article represents part 3 of the EFSUMB Recommendations and Guidelines for Gastrointestinal Ultrasound (GIUS). It provides an overview of the examination techniques recommended by experts in the field of endorectal/endoanal ultrasound (ERUS/EAUS), as well as perineal ultrasound (PNUS). The most important indications are rectal tumors and inflammatory diseases like fistula and abscesses in patients with or without inflammatory bowel disease (IBD). PNUS sometimes is more flexible and convenient compared to ERUS. However, the technique of ERUS is quite well established, especially for the staging of rectal cancer. EAUS also gained ground in the evaluation of perianal diseases like fistulas, abscesses and incontinence. For the staging of perirectal tumors, the use of PNUS in addition to conventional ERUS could be recommended. For the staging of anal carcinomas, PNUS can be a good option because of the higher resolution. Both ERUS and PNUS are considered excellent guidance methods for invasive interventions, such as the drainage of fluids or targeted biopsy of tissue lesions. For abscess detection and evaluation, contrast-enhanced ultrasound (CEUS) also helps in therapy planning.

本文是EFSUMB胃肠超声推荐和指南(GIUS)的第3部分。它提供了专家在直肠内/肛门内超声(ERUS/EAUS)以及会阴超声(PNUS)领域推荐的检查技术的概述。最重要的适应症是直肠肿瘤和炎症性疾病,如瘘和脓肿,在患有或不患有炎症性肠病(IBD)的患者中。与ERUS相比,PNUS有时更灵活、更方便。然而,ERUS技术是相当成熟的,特别是对于直肠癌的分期。EAUS在评估肛门周围疾病如瘘管、脓肿和尿失禁方面也取得了进展。对于直肠周围肿瘤的分期,除了常规的ERUS外,还可以推荐使用PNUS。对于肛门癌的分期,PNUS是一个很好的选择,因为它的分辨率更高。ERUS和PNUS都被认为是侵入性干预的优秀指导方法,如液体引流或组织病变的靶向活检。对于脓肿的检测和评估,造影增强超声(CEUS)也有助于治疗计划。
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引用次数: 31
The Role of US Contrast Agents in US-Guided Biopsy of Focal Liver Lesions: A Pictorial Review. 超声造影剂在超声引导下局灶性肝病变活检中的作用:一篇图片综述。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-01-01 Epub Date: 2018-11-23 DOI: 10.1055/a-0770-4237
Torben Lorentzen, Christian Pallson Nolsoe

US-guided percutaneous biopsy of focal liver lesions (FLL) is a classic interventional procedure performed by almost all radiology units. Typically, an incidental focal finding on US or a focal indeterminate lesion diagnosed on CT, MRI or PET/CT is referred for US-guided biopsy for final diagnosis. The introduction of microbubble US contrast agents has overcome some of the limitations of standard US in diagnosing FLLs by displaying the microvasculature together with the US morphology, which has increased both the sensitivity and the specificity. The combination of CEUS and intervention is facilitated by newer US equipment providing split-screen mode, which displays the CEUS mode alongside the standard US mode simultaneously on a single monitor. The puncture line is displayed in both modes as well as on the monitor. The interventional device (i. e., biopsy needle) is typically best visualized in the standard US mode, while the characteristic tissue pattern in an FLL is typically best visualized in CEUS mode. There are 3 main categories in which CEUS has an impact on US-guided biopsy of FLLs: • CEUS improves the visualization of FLLs • CEUS improves the quality of the biopsy specimen from an FLL • CEUS reduces the need for US-guided biopsy of an FLL In the two first categories, CEUS is utilized simultaneously with US-guided biopsy to ensure correct needle targeting. In the last category, US-guided biopsy of the FLL becomes superfluous as a result of the CEUS examination.

美国引导下经皮肝局灶性病变活检(FLL)是一种经典的介入性手术,几乎所有放射学单位都在进行。通常,偶发病灶或CT、MRI或PET/CT上诊断的病灶不明确时,需进行超声引导下的活检以最终诊断。微泡超声造影剂的引入克服了标准超声诊断fll的一些局限性,通过显示微血管和超声形态学,提高了敏感性和特异性。新的US设备提供了分屏模式,可以同时在单个监视器上显示CEUS模式和标准US模式,从而促进了CEUS和干预的结合。穿刺线显示在两种模式以及监视器上。介入装置(如:在标准的超声成像模式下,FLL的特征性组织模式通常是最好的,而在超声成像模式下,FLL的特征性组织模式通常是最好的。超声造影对超声引导下FLL活检的影响主要有三种:•超声造影改善FLL的可视化•超声造影提高了FLL活检标本的质量•超声造影减少了对FLL超声引导活检的需求。在前两种类型中,超声造影与超声引导活检同时使用,以确保正确的针头靶向。在最后一类中,超声造影检查后,超声引导下的FLL活检变得多余。
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引用次数: 7
Editorial. 社论。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-01-01 Epub Date: 2019-04-08 DOI: 10.1055/a-0790-0327
G Lock

Dear Colleagues, Evidence based medicine and guidelines have considerably changed our medical thinking and practice in the last few decades, and they are the key point of this first issue of UIO in 2019.

在过去的几十年里,循证医学和指南极大地改变了我们的医学思维和实践,它们是2019年第一期《世界卫生组织》的重点。
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引用次数: 0
European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB) Policy Document Development Strategy - Clinical Practice Guidelines, Position Statements and Technological Reviews. 欧洲医学和生物学超声学会联合会(EFSUMB)政策文件发展战略-临床实践指南,立场声明和技术评论。
IF 3.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2019-01-01 Epub Date: 2018-11-21 DOI: 10.1055/a-0770-3965
Christian Jenssen, Odd Helge Gilja, Andreas L Serra, Fabio Piscaglia, Christoph F Dietrich, Lynne Rudd, Paul S Sidhu

This document summarizes principles and methodology to guide the creation of Clinical Practice Guidelines, Position Statements und Technological Reviews of the European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB). The purpose of EFSUMB Clinical Practice Guidelines is to provide physicians and sonographers performing or requesting diagnostic and interventional ultrasound examinations with evidence-based recommendations. Position Statements summarize EFSUMB opinions on important current issues in clinical applications, education and training of ultrasound techniques or health care policy related to ultrasound-based imaging and ultrasound-guided interventions. The third type of EFSUMB policy document is the Technological Review, which describes ultrasound techniques and technologies for physicians, medical technicians, engineers and physicists developing ultrasound technology. The whole process of development of EFSUMB policy documents is explained beginning with the decision regarding topics, selection of authors, funding, and planning of the developmental process. Further steps described in this document are the review of the evidence, creation of recommendations, statements and comments, grading of level of evidence and strength of recommendations, and consensus process. Finally, rules for the creation, review, approval, publication and update of EFSUMB policy documents are described.

本文件总结了指导欧洲超声医学和生物学学会联合会(EFSUMB)临床实践指南、立场声明和技术评论创建的原则和方法。EFSUMB临床实践指南的目的是为进行或要求进行诊断和介入性超声检查的医生和超声技师提供循证建议。立场声明总结了EFSUMB对当前临床应用、超声技术教育和培训或与超声成像和超声引导干预相关的保健政策等重要问题的意见。EFSUMB的第三类政策文件是《技术评论》,其中描述了超声技术和医生、医疗技术人员、工程师和开发超声技术的物理学家的技术。EFSUMB政策文件的整个制定过程从关于主题的决定、作者的选择、资助和发展过程的规划开始解释。本文件中描述的进一步步骤是审查证据,提出建议、声明和评论,对证据水平和建议强度进行分级,以及达成共识的过程。最后,介绍了EFSUMB政策文件的创建、审查、批准、发布和更新规则。
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引用次数: 33
期刊
Ultrasound International Open
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