学科分类
/ 25
500 个结果
  • 简介:Thedamageofhumancornealcellsencounterwiththeproblemofavailabilityofcornealcellsforreplacement.Limitationofthesourceofcornealcellshasbeenrealized.Anattemptofdevelopmentofcornealepithelial-likecellsfromthehumanskin-derivedprecursor(hSKPs)hasbeenmadeinthisstudy.Combinationofthreeessentialgrowthfactors:epidermalgrowthfactor(EGF),keratinocytegrowthfactor(KGF)andhepatocytegrowthfactor(HGF)coulddemonstratesuccessfullyinductionofhSKPstodifferentiationintocornealcells.Theinducedcellsexpressedtheappearanceofmarkersofcornealepithelialcellsasshownbythepresenceofkeratin3(K3)byantibodylabelandWesternblotassay.TheK3geneexpressionofinducedhSKPscellsasshownbyreversetranscription-polymerasechainreaction(RT-PCR)technologywasalsodemonstrated.ThepresenceofthesemarkersatbothgeneandproteinlevelscouldleadtoourconclusionthatthedirectionaltransdifferentiationofhSKPscellsintocornealepithelialcellswassuccessfullydoneunderthiscellinductionprotocol.Thefindingshowsanewlyavailablestemcellsourcecanbeobtainedfromeasilyavailableskin.Cellsfromautologoushumanskinmightbeusedforcornealdisordertreatmentinfutureclinicalapplication.

  • 标签: CORNEAL epithelial-like CELL human skin-derived PRECURSOR
  • 简介:AIM:Tostudyclinicalfeaturesandgenemutationswithinthepaired-likehomeodomaintranscriptionfactor2(PITX2)geneinapedigreeofbilaterallimbaldermoids.METHODS:Completeeyeexaminationshavebeenperformedoneachindividualofthefamily.Exonsofpaired-likehomeodomaintranscriptionfactor2(PITX2)wereamplifiedbypolymerasechainreaction,sequenced,andcomparedwithareferencedatabase.RESULTS:Wedescribedthephenotype,clinicfindingsinafamilywithtwoaffectedmembers.Themassesoftheproband’seyeswereexcisedsurgicallydemonstratingadermoidcystbyhistopathologicalexamination.NomutationwasdetectedinthegenePITX2inthispedigree.CONCLUSION:Afamilyoflimbaldermoidcystwasreported.Inaddition,nopathogenicsequencevariationswerefoundinPITX2,indicatingthatthisphenotypeinthisfamilyisadistinctiveentity.

  • 标签: PEDIGREE dermoid CYST LIMBUS PITX2 gene
  • 简介:<正>先天性角膜皮囊肿合并眶纤维瘤,临床罕见,现将本科收治例报道如下。患者女,15岁。左眼角膜肿块15年,1991年11月30日入院。自出生时发现左眼角膜外上方生绿豆大肿块,逐渐增大,近2年生长较快,左眼外展困难,影响美观,要求治疗。检查:左眼视力

  • 标签: 皮样囊肿 纤维瘤 眼角膜 先天性 肿块 合并
  • 简介:AIM:Toassesstheawarenessofeyecomplicationsandtheprevalenceofretinopathy,inthefirstvisittoeyeclinic,amongtype2diabeticpatientsattendingatertiarymedicalcentreinKualaLumpur,Malaysia.METHODS:Aninvestigator-administeredquestionnairewasgivento137patientswithdiabetesundergoingfirsttimeeyescreeningintheeyeclinic.Thiswasfollowedbyadetailedfundusexaminationbyaseniorophthalmologisttoassessforpresenceofretinopathy.RESULTS:Almost86%ofrespondentswereawareofdiabeticeyecomplications,especiallyinpatientswhohadachievedtertiaryeducationallevel(96.3%).Themajorityofthepatients(78.8%)werereferredbytheirphysiciansandonly20.4%cameontheirowninitiative.Manyofthepatients(43.8%)didnotknowhowfrequenttheyshouldgoforaneyecheck-upand72.3%didnotknowwhattreatmentswereavailable.Lackofunderstandingondiabeticeyediseases(68.6%)wasthemainbarrierformostpatientsfornotcomingforeyescreeningearlier.Despiteahighlevelofawareness,only21.9%hadrecordedHbA1clevelof<6.5%while31.4%wereundertheerroneousassumptionofhavingagoodbloodsugarcontrol.Atotalof29.2%haddiabeticretinopathyintheirfirstvisiteyetesting.CONCLUSION:Inthepresentstudy,29.2%oftype2diabeticpatientshadretinopathyintheirfirsttimeeyetesting.Althoughtheawarenessofdiabeticeyecomplicationswashighamongfirsttimeeyescreeningpatients,theappropriateeyecare-seekingbehaviorwascomparativelylessandshouldberectifiedtopreventtheriseofthissightthreateningeyedisease.

  • 标签: DIABETIC RETINOPATHY eye COMPLICATIONS awa-reness eye
  • 简介:体切除术是儿童耳鼻咽喉科最常见手术,但术后出血仍是腺体切除术最主要并发症。出血不但有损于患儿健康,严重时甚至危及生命。2年来,我科应用改制双极电凝在腺体切除术中止血,效果显著,现报告如下。

  • 标签: 腺样体切除术 术中止血 双极电凝 应用 改制 术后出血
  • 简介:患儿,女1岁10个月.因鼻塞、双眼球突出2月余伴皮疹半个月而就诊,患儿2个月前无明显诱因出现持续性鼻塞,在当地诊断为"急性鼻炎"给"呋麻液"滴鼻治疗,但症状改善不明显,并发现双眼睑浮肿,眼球逐渐突出,近半月来患儿全身皮肤出现散在红色或紫色皮疹,鼻塞及突眼更为明显.

  • 标签: T细胞性淋巴瘤 皮下 炎性 脂膜 眼睑浮肿 双眼球突出
  • 简介:·AIM:Toreportvariousocularinjuriescausedbydurianfruit.·METHODS:Threecasesofocularinjuriesweredescribedinyoungpatients,duetoaccidentalfallofdurianfruitontheforeheadandface,whiletheyweretakingrest/sleeping/playingundertheduriantree.·RESULTS:Theocularinjuriesobservedwerelaceratinginjuryofcorneawithirisincarceration,hyphema,superficialpenetratinginjuryofscleraandanglerecessionglaucomaintherighteyeoffirstpatient;laceratinginjuryofcorneawithirisprolapseinthelefteyeofsecondpatient;subconjunctivalhaemorrhage,traumaticmydriasisandsuperficialpenetratinginjuryofsclera,commotionretinopathyandmacularedemainthelefteyeofthirdpatient.Visionimprovedtonormalinalltheeyesfollowingsurgical/medical/opticaltreatment.·CONCLUSION:Evidenceofpenetratinginjury(becauseofthorns)andbluntinjury(becauseofweight)canbeseenintheeyeswhendurianfruitfallsontheface.Visioncanberecoveredfullywithimmediateandappropriatetreatmentinthesecases.Theocularinjuriescanbepreventedbyeducatingthepublictowearprotectivemetalframewidegogglesandnottosleep/takerestundertheduriantree.

  • 标签: DURIAN FRUIT SUBCONJUNCTIVAL HAEMORRHAGE hyphema lacerating
  • 简介:Oculardrugtransportbarriersposeachallengefordrugdeliverycomprisingtheocularsurfaceepithelium,thetearfilmandinternalbarriersoftheblood-aqueousandblood-retinabarriers.Oculardrugdeliveryefficiencydependsonthebarriersandtheclearancefromthechoroidal,conjunctivalvesselsandlymphatic.Traditionaldrugadministrationreducestheclinicalefficacyespeciallyforpoorwatersolublemoleculesandfortheposteriorsegmentoftheeye.Nanoparticles(NPs)havebeendesignedtoovercomethebarriers,increasethedrugpenetrationatthetargetsiteandprolongthedruglevelsbyfewinternalsofdrugadministrationsinlowerdoseswithoutanytoxicitycomparedtotheconventionaleyedrops.Withtheaidofhighspecificityandmultifunctionality,DNANPscanberesultedinhighertransfectionefficiencyforgenetherapy.NPscouldtargetatcornea,retinaandchoroidbysurficialapplicationsandintravitrealinjection.ThisreviewisconcernedwithrecentfindingsandapplicationsofNPsdrugdeliverysystemsforthetreatmentofdifferenteyediseases.

  • 标签: NANOPARTICLES eye DRUG delivery
  • 简介:我科行耳内镜下吸切器经口腺体切除术41例,现报告如下。1资料与方法1.1资料2005年2月至2009年5月我科收治体肥大患儿41例,其中男性19例,女性22例;年龄4~10岁;病程3个月至6年。临床表现为睡眠打鼾32例,伴张口呼吸17例,听力下降、耳呜9例,鼻塞、鼻溢18例,嗅觉减退10例。

  • 标签: 腺样体切除术 吸切器 耳内镜 腺样体肥大 2009年 睡眠打鼾
  • 简介:通常当孩子父母或监护人发现孩子有什么不好时,会带孩子来给我们。这篇文章更多关注给婴幼儿建设性意见,他们往往很难评价。这不是详细介绍列表或诊断技术,而是个新视点。般原则

  • 标签: 幼儿 诊疗
  • 简介:目的观察雷珠单抗联合黄斑格栅光凝治疗糖尿病黄斑水肿临床疗效。方法将2015年2月至2017年1月确诊为DME患者79例(79眼),按随机数字表法分为2组。观察组40例,采用雷珠单抗联合黄斑格栅光凝治疗;对照组39例,采用黄斑格栅光凝治疗,于治疗后3月、6月时,记录2组患眼最佳矫正视力(BCVA)、黄斑中心厚度(CMT)变化及不良反应发生情况。结果治疗前,2组患者最佳矫正视力BCVA比较,差异无统计学意义(P〉0.05);治疗后3月及6月,观察组BCVA平均值均明显优于对照组,差异有统计学意义(P〈0.05)。治疗前,2组患者CMT比较,差异无统计学意义(P〉0.05);治疗后3月及6月,观察组CMT平均值均明显优于对照组,差异有统计学意义(P〈0.05)。观察组患者5例患者发生不良反应,经处理症状消失,无后遗症。结论雷珠单抗联合黄斑格栅光凝治疗糖尿病黄斑水肿具有明显改善视力、加快水肿消退,减少复发等作用。

  • 标签: 雷珠单抗 黄斑格栅样光凝 糖尿病黄斑水肿
  • 简介:AIM:Toinvestigatethetreatmentstatusandprognosisofspace-occupyinglacrimalglandlesionsatonetertiaryeyecenterinChina.·METHODS:Aretrospectiveclinicalstudywasperformedon95patientswithspace-occupyinglesionsofthelacrimalglandsurgicallytreatedattheEye&ENTHospitalofFudanUniversityfrom2003to2007.Thereviewedclinicaldataincludedage,gender,sideofthelesion,durationofsignsandsymptoms,histopathologicaldiagnosis,treatmentmodality,recurrence(local,regional,anddistantmetastasis)andsurvival.·RESULTS:Ofthe95cases(99eyes),pleomorphicadenomaswerethemostcommonlesions(43cases),followedbylymphoiddisorders(14),inflammatorypseudotumors(11),carcinomaex-pleomorphicadenomas(11),andadenoidcysticcarcinomas(ACC,6).Therewere8patientswithrelapsedpleomorphicadenomas.Fiveofthese8caseshadmalignantpathologicalchanges.AllpatientswithACChadmetastasisandthreeofthemdiedduringtheirfollow-up.·CONCLUSION:Ourstudyindicatedthatthemostcommonlacrimalglandlesionswerepleomorphicadenomas.Multiplerecurrenceandsurgicalproceduresmayincreasetheriskoftumorprogression.ACChadahighincidenceoftumormetastasisandapoorprognosis.

  • 标签: LACRIMAL GLAND lesions PLEOMORPHIC ADENOMAS ADENOID
  • 简介:目的:研究增殖细胞核抗原(proliferatingcellnuclearanti-gen,PCNA)和胰岛素生长因子Ⅱ(insulin-likegrowthfactor-Ⅱ,IGF-Ⅱ)在翼状胬肉中表达关系。方法:应用免疫组织化学SABC法检测40例原发性翼状胬肉组织标本,10例正常结膜组织标本中PCNA和IGF-Ⅱ蛋白表达情况。结果:翼状胬肉组中PCNA,IGF-Ⅱ表达均高于正常结膜组(P〈0.01),IGF-Ⅱ与PCNA蛋白表达之间相关系数为0.731(P〈0.01)。结论:翼状胬肉为种具有肿瘤潜能增生性眼表疾病。IGF-Ⅱ通过促进细胞增殖参与了翼状胬肉发生、发展。

  • 标签: 翼状胬肉 胰岛素样生长因子Ⅱ 增殖细胞核抗 原免疫组织化学
  • 简介:AIM:TopresenttheresultsofimplantationofIakymenkokeratoprosthesisinfivepatientswithvascularizedcornealleukomacausedbysevereocularinjury.·METHODS:Iakymenkokeratoprosthesiswasimplantedinto5eyesof5patients:4patientsweresufferedfromchemicalburnsand1patientfromexplosiveinjury.Thepreoperativevisualacuityrangedfromlightperceptiontohandmotion.Theimplantationsurgerywascomposedoftwo-stageprocedures.Thefollow-upperiodwasfrom9monthsto11years.Theoutcomemeasureswerevisualacuity,retention,andcomplicationsofthekeratoprosthesis.·RESULTS:Visionimprovementswereachievedinmostpatients.Allkeratoprosthesiswereretainedwithinthefollow-upperiod.Cornealmeltingoccurredinonepatientandfibrousclosureinanotherpatient,bothofwhichweresuccessfullytreated.Retinaldetachmentoccurredinonepatientaftersurgery.·CONCLUSION:Iakymenkokeratoprosthesisseemstobeapromisingalternativeforthepatientswithseverecornealinjury,butfurtherinvestigationisneededtoevaluatetheroleofIakymenkokeratoprosthesis.

  • 标签: Iakymenko KERATOPROSTHESIS VISUAL REHABILITATION COMPLICATIONS
  • 简介:目的:研究芪明颗粒联合格栅激光光凝治疗糖尿病视网膜病变(diabeticretinopathy,DR)合并黄斑水肿(diabeticmacularedema,DME)临床疗效。方法:本研究对象为2014-03/2017-03于我院治疗50例98眼DR合并DME患者,按照治疗方式不同分为两组,对照组患者25例48眼采用格栅激光光凝治疗,观察组患者25例50眼在此基础上联合芪明颗粒治疗。光学相干断层扫描(opticalcoherencetomography,OCT)及眼底血管造影(fundusfluoresceinangiography,FFA)评价两组患者DME消退情况并比较治疗前、治疗7d,1、3mo黄斑中心凹厚度(centralmacularthickness,CMT)和最佳矫正视力(bestcorrectedvisualacuity,BCVA)。结果:观察组总有效47眼,总有效率为94%,对照组治疗总有效40眼,总有效率为83%,观察组总有效率显著高于对照组,差异具有统计学意义(P<0.05)。两组治疗后BCVA均显著改善,观察组治疗7d,1、3mo均显著优于对照组,差异均有统计学意义(P<0.05)。两组治疗后CMT均显著降低,观察组治疗7d,1、3mo均显著低于对照组,差异均有统计学意义(P<0.05)。观察组和对照组分别出现高眼压2例2眼和1例1眼,给予降眼压药物后迅速缓解,其余无明显不良反应出现。结论:芪明颗粒联合格栅激光光凝治疗能显著改善DR合并DME症状,降低CMT,改善视力。

  • 标签: 芪明颗粒 格栅样激光光凝 糖尿病视网膜病变 黄斑水肿
  • 简介:Mostoftheoculartumorshavepoorprognosis,andtheyremainadifficultproblemintheareaofophthalmology.Withtherapiddevelopmentofmolecularbiologyandimmunologictechniquesandthedeepresearchonoculartumorrelatedgenes,itbecomespossibletodiagnoseandtreatmalignanttumorsfromthemolecularlevel.Thetumornecrosisfactorrelatedapoptosis-inducingligand(TRAIL),amemberofthetumornecrosisfactor(TNF)superfamily,isapromisingcandidate,eitheraloneorincombinationwithestablishedcancertherapies,sinceitcaninitiateapoptosisthroughtheactivationoftheirdeathreceptors.TheabilityofTRAILtoselectivelyinduceapoptosisoftransformed,virus-infectedortumorcellsbutnotnormalcellspromotesthedevelopmentofTRAIL-basedcancertherapy.Here,wewillreviewTRAILanditsreceptors’structure,function,mechanismofactionandapplicationinoculartumorstherapy.

  • 标签: TUMOR NECROSIS factor related apoptosis-inducing LIGAND
  • 简介:视野使用红色视标的视野检查可以发现显著视野异常.简单测试如正切暗点计屏也很有效.精确评估视野缺损需要视野计:人工(Goldmann)或者自动(Humphery)视野计可以给出详细视野参数.但是结果受操作者主观操作影响.

  • 标签: 青光眼患者 评估 成年人 视野缺损 视野异常 视野检查