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简介：<正>患者,男,52岁,左鼻腔阻塞伴疼痛6年,加重伴头痛3年余。于1994年6月在我科门诊检查,见左下鼻甲明显肥大和鼻中隔相贴,阻塞整个鼻道,表面光滑,易出血,对麻黄素不敏感,拟诊"左侧下鼻甲肥大?"。在下鼻甲前端取活检送病理,报告为"慢性炎症改变"。收入院行左侧下鼻甲部分切除术,术中剪除下鼻甲时有囊性感。送病检,报告为:

简介：摘要： 目的：观察微波热凝下鼻甲手术在治疗慢性肥厚性鼻炎中的作用。 方法：用 1%地卡因棉片行鼻腔粘膜表面麻醉后，对 58例慢性肥厚性鼻炎患者的下鼻甲行微波热凝治疗。 结果：随访半年，总有效率 96.5%，显效率 86.2%。 结论：微波热凝下鼻甲治疗慢性肥厚性鼻炎有操作简单、安全、不易出血、反应轻、无并发症、疗效好，患者痛苦小，易于接受等优点。

简介：目的探讨低温等离子射频消融治疗下鼻甲肥大的疗效及优点。方法总结我科2001年10月～2004年3月30例56例下鼻甲肥大应用低温等离子射频消融治疗临床资料。结果48例进行1次治疗。8例第一次治疗后1个月行第二次治疗。全部患者鼻阻塞消失，下鼻甲有Ⅰ度缩小，无鼻出血、干痂、粘连。结论低温等离子射频消融治疗下鼻甲肥大创伤轻微，不破坏下鼻甲粘膜层，较好的保留下鼻甲粘膜生理功能。为一种操作简便．行之有效的治疗方法。

简介：摘要目的观察微波热凝下鼻甲手术在治疗慢性肥厚性鼻炎中的作用。方法用1%地卡因棉片行鼻腔粘膜表面麻醉后，对58例慢性肥厚性鼻炎患者的下鼻甲行微波热凝治疗。结果随访半年，总有效率96.5%，显效率86.2%。结论微波热凝下鼻甲治疗慢性肥厚性鼻炎有操作简单、安全、不易出血、反应轻、无并发症、疗效好，患者痛苦小，易于接受等优点。

简介：【摘要】目的：探讨个体化下鼻甲成型术的手术治疗方法及体会。方法：回顾性分析 80例慢性肥厚性鼻炎的手术资料，患者均接收个体化下鼻甲成型术，对手术治疗情况及预后情况进行评价。结果： 80例患者手术均顺利进行，平均手术时间（ 54.1±2.3） min，术后 1个月较术前相比，在鼻甲纤毛结构上仍旧包括大部分纤毛，鼻甲粘膜上皮依旧存在且排列紧密。结论：个体化下鼻甲成型术的手术治疗方式可以取得满意的治疗效果，并可最大程度的保留患者鼻腔功能。

简介：Pilotspatialdisorientationisaleadingfactorcontributingtomanyfatalflyingaccidents.Spatialorientationistheproductofintegrativeinputsfromtheproprioceptive,vestibular,andvisualsystems.Vestibularneuritis(VN)canleadtosuddenpilotincapacitationinflight.VNiscommonlydiagnosedbydemonstrationofunilateralvestibularfailure,asunilaterallossofcaloricresponse.Asthistestreflectsthefunctionofthesuperiorpartofthevestibularnerveonly,casesofpureinferiornerveneuritiswillbelost.ThispaperdescribesafighterpilotwithsymptomssuggestiveofVNbutwithnormalcalorictestresults.Furthertestshowedunilaterallossofvestibularevokedmyogenicpotential.Webelievethatthepilotsufferedfrompureinferiornervevestibularneuritis.VEMPplaysamajorroleinthediagnosisofinferiornervevestibularneuritisinpilots.Aeromedicalconcernsarealsodiscussed.

简介：Growingevidencehasbeenfoundtosuggestthatearlydevelopmentofthecentralauditorysystemisdependentonacousticstimuli.Peripheraldamagecausedbynoiseexposureandototoxicdrugscaninducefunctionalandanatomicalchangesalongtheauditorypathways.Theinferiorcolliculus(IC)isauniquestructureintheauditorysystemlocatedbetweentheprimaryauditorynucleiofthebrainstemandthethala-mus.DamagetotheICinhibitorycircuitrymayaffectcentralauditoryprocessingandsoundperception.Here,wereviewsomeofthestrikingelectrophysiologicalchangesintheICthatoccurafternoiseexposureandototoxicdrugtreatment.AcommonoccurrencethatemergesintheICafterperipheraldamageishyper-excitabilityofsound-evokedresponse.ThehyperexcitabilityoftheICislikelyrelatedwithreducedinhibi-toryresponsethatrequiresnormalperipheralinputs.Earlyagehearinglosscanresultinalonglastingin-creasedsusceptibilitytoaudiogenicseizurewhichisrelatedtohyperactivityintheICevokedbyloudsounds.OurstudiessuggestthathearinglosscancauseincreasedICneuronresponsivenesswhichmayberelatedtotinnitus,hyperacusis,andaudiogenicseizure.

简介：摘要目的报告鼻内窥镜下低温射频消融治疗下鼻甲肥大的疗效案例。方法对248例下鼻甲肥大患者行鼻内窥镜下低温射频消融术的治疗，同时术中、术后密切观察病情变化及并发症的观察等。结果248例下鼻甲肥大患者术后随访6个月，鼻腔通气顺畅，下鼻甲大小及颜色恢复正常，无明显并发症，治疗效果较理想。结论熟练操作，准确把握下针位置及消融程度，患者接受治疗后可达到较理想的治疗效果。

简介：AbstractBackground:Renal cell carcinoma (RCC) has the propensity to lead to venous tumor thrombus (VTT). Nephrectomy with tumor thrombectomy is an effective treatment option but is a technically challenging surgical procedure that is accompanied by a high rate of complications. The aims of this study were to investigate pre-operative imaging parameters for the assessment of inferior vena cava (IVC) wall invasion due to a tumor thrombus in patients with RCC and to identify predictors from the intra-operative findings.Methods:Clinical and imaging data were collected from 110 patients who underwent nephrectomy with IVC tumor thrombectomy (levels I-IV) for RCC and IVC tumor thrombus at the Peking University Third Hospital between May 2015 and March 2018. Univariable and multivariable logistic regression and receiver operating characteristic curves were used to assess the correlations between pre-operative imaging features and intra-operative macroscopic invasions of the IVC wall by tumor thrombus.Results:Among the 110 patients, 41 underwent partial or segmental resection of IVC. There were univariate associations of pre-operative imaging parameters that could be used to predict the need for IVC resection, including those of the Mayo classification, maximum anterior-posterior (AP) diameter of the renal vein at the renal vein ostium (RVo), maximum AP diameter of the VTT at the RVo and IVC occlusion. For the multivariable analysis, the AP diameter of the VTT at the RVo and IVC occlusion were associated with a significantly increased risk of invasion of the IVC wall by tumor thrombus. The optimum imaging thresholds included an AP diameter of the VTT at the RVo larger than 17.0 mm and the presence of IVC occlusion, with which we predicted invasions of the IVC wall requiring IVC resection. The probabilities of intra-operative IVC resection for patients without both independent factors, with an AP diameter of the VTT at the RVo larger than 17.0 mm, with IVC occlusion, and with both concurrent factors were 5%, 23%, 56%, and 66%, respectively.Conclusion:An increase in the AP VTT diameter at the RVo and the presence of complete occlusion of the IVC are independent risk factors for a high probability of IVC wall invasion by tumor thrombus.

简介：摘要目的探讨下鼻甲外移术替代部份切除术的疗效，以期寻求更为有效的治疗鼻腔阻塞性病变的手术方式。方法对采用下鼻甲外移术治疗的135例肥厚性鼻炎患者，进行疗效观察。结果本术式疗效等同于下鼻甲部份切除术等传统手术，但病员痛苦较小，无术后出血等并发症。结论下鼻甲外移术治疗肥厚性鼻炎效果肯定，并发症少，病员痛苦少，值得临床推广。

简介：摘要目的探讨慢性肥厚性鼻炎简单易行的治疗方法。方法对156例慢性肥厚性鼻炎病例行下鼻甲骨折外移术。结果156例患者随访6个月-2年，全部恢复正常通气，无鼻甲萎缩、空鼻征等。结论下鼻甲骨折外移术治疗慢性肥厚性鼻炎，实施手术方便，对鼻腔粘膜及组织的损伤小，病人的痛苦性小，术后恢复快，适宜于临床推广。

简介：摘要目的探讨等离子射频消融术对鼻腔粘膜功能的影响。方法下鼻甲粘膜下等离子射频消融术。结果术后1月复查痊愈212例（84.2%），显效40例（15.8%），总有效率100%。术后6个月复查，痊愈196例（78%），显效49例（19.1%），无效7例（2.9%），总有效率97.1%，术后1年复查痊愈192例（76.0%），显效41例（16.4%），无效19例（7.6%），总有效率92.4%.结论低温等离子射频消融术减少了传统的的激光，微波治疗对下鼻甲粘膜功能的影响，对患者术后鼻腔功能影响较小，可以提高患者的生活质量。

简介：<正>Drivenbytheincreasingsupplyofheavyoilswithdeterioratingquality,ahighnickel-resistantcatalystforcatalyticcrackingofinferiorcrudeoilswasdevelopedbytheResearchInstituteofPetroleumProcessing(RIPP).Catalystperformancewasevaluatedinalaboratoryfixedfluidizedbedreactor.Thetestresultsshowedthatthehighnickelresistancecatalystexhibitedgoodbottomscrackability,goodnickelresistance,andgoodadaptabilitytochangesinoperatingparameters,whichhadnoadverseeffectontheproductdistribution,indicatingtoamostpromisingprospectforapplicationofthiscatalystincatalyticcrackingofinferiorcrudeoil.

简介：客观：为了学习寻找鼻音上的治疗学的效率和effecacy指导oflaser途径，为canalicular撕裂在吻合打破撕碎的眼泪的小管的结束。方法：受不了创伤的劣等的canalicular撕裂的49个病人(49只眼睛)被划分成控制组和指导激光的组。在眼泪的斑点和鼻音之间的距离撕碎的眼泪的小管的破结束是超过6公里。在眼皮损伤的管理的功课期间，病人被canalicular吻合操作在分别地在撕碎的眼泪的小管的结束找打破的鼻音与传统的方法和指导激光的方法对待。1条公里直径的硅酮试管作为stent在眼泪的经过被把管子插进4～6个月。结果：Inthe指导激光的组，在在撕碎的眼泪的小管的破结束找鼻音的吝啬的时间是(5。75±1.49)纪录，操作的吝啬的时间是(49.21±3.37)纪录；两个比控制组的显著地短(P<0.01)。指导thelaser组的痊愈率是96.55%，比控制组，但是没有统计意义(P>0.05)的高。结论：指导激光的方法对比传统的途径，和病人得更少的疼痛在撕碎的眼泪的小管的结束找打破的鼻音并且在canalicular吻合操作损坏快得多、更方便。

简介：ObjectiveFortycasesofIAMIwereexaminedwithcoronaryangiographyinordertostudytherelationshipofthevesselswiththeECGofIAMI.MethodsForcoronaryangiographyJudkin’smethodwasused;IAMIwasdiagnosedbythe1979WHO’sstandardofISHDandECGwasseparatelymeasuredbytwodoctors.ResultsMostofIAMIwithpolybranchcoronaryoritscollateraldisease(32.5%and42.5%)andonly10cases(25%)withsinglebranchcoronarydisease,whoseECGswereuntypical.ConclusionIAMIwithsingle-branchcoronarydiseasemightexpressasmildsymptomsandhavenotypicalECGchange.WhiletypicalECGchangeemerges,thecoronaryarteryalwaysshowedpoly-branchdiseaseorcollateralbranchobstructionandthediseasewouldbeadvanced.ItisimportanttopaymoreattentiontothecasesofIAMIwithoutclassicECGchangesoastogivediagnosisandtreatmentthemintime.

简介：象鼻虫,顾名思义,就是有着和大象一样长鼻子的昆虫。其实它所谓的"长鼻子"只是头部前方极度发达而突出的口吻部,它的口器就位于"长鼻子"的尖端。这个"长鼻子"在不同种类之间也有很大区别,有的粗短、有的细长、有的直伸、有的向下弯曲,但作用都只有一个——用来取食植物,雌虫还常常用它在植物组织上钻孔,然后在内产

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简介：摘要：目的： 本次实验将 分析鼻中隔偏曲患者肥大下鼻甲的治疗方案，分析病情改善成果。

简介：摘要：目的： 本次实验将 分析鼻中隔偏曲患者肥大下鼻甲的治疗方案，分析病情改善成果。