tongueyy57.com
yy57.com 时间:2021-03-20 阅读:(
)
Gut,1984,25,784-791CasereportGlucagonomasyndromedemonstratinggiantduodenalvilliFIONAMSTEVENS,RWFLANAGAN,DO'GORMAN,ANDKDBUCHANANFromtheDepartmentsofGastroenterologyandDermatology,RegionalHospital,Galway,Ireland;andtheDepartmentofMedicine,Queen'sUniversity,Belfast,NorthernIrelandSUMMARYA39yearoldmandevelopedanitchybullousrashintheperineumandontheextremities.
Sixyearslater,aftergiantintestinalvillihadbeennotedatendoscopy,adiagnosisoftheglucagonomasyndromewasmade.
Investigationrevealedalargetumourofthepancreaticbodyandtail.
Themolecularspeciesofglucagonsecretedbythetumourwerecharacterisedusingthecombinedpurificationproceduresofimmunoaffinitychromatographyfollowedbygelfiltration.
Anecrolyticmigratoryerythematousskinrash,anaemia,angularstomatitiswithorwithoutdiabetesmellitusarerecognisedfeaturesofthepancreaticglucagonomasyndrome.
'Thesyndromeisassociatedwithapancreaticisletcelltumourproducingglucagon.
Removalofthetumourinsomecaseshasresultedincuringofthesymptomsandsignsofthesyndrome.
2Giantintestinalvillihavebeenfoundinapatientwitharenaltumourproducingenteroglucagon.
3Apatientwithfeaturesofbothconditions-thatis,skinrash,anaemia,angularstomatitis,diabetesmellitus,apancreatictumourandgiantduodenalvilliisreported.
CasehistoryApreviouslyhealthymaleagriculturalworkerfirstdevelopedanitchybullousskinrashintheperineum,feetandhandsinApril1969,attheageof39years.
Overthenextsixyearstheskinlesionswerevariouslydiagnosedascontactdermatitis,chronicmucocutaneouscandidiasisorseborrhoeicdermatitis.
Theskinlesionsrespondedtolargequantitiesoftopicalsteroidsorsystemicsteroids.
DiabetesmellitusdiagnosedinApril1969,originallywastreatedwithtolbutamide.
InDecember1970thetolbutamidewaswithdrawnandthediabetescontrolledwithl0kJ(2400cal)diet.
PulmonaryandAddressforcorrespondence:DrFMStevens.
Departmentof(iastro-enterology.
RegionalHospital.
Galway,Irelawnd.
Receivedforpublication1()October1983renaltuberculosiswasdiagnosedinDecember1970respondedtotreatmentwithstreptomycin,isoniazid,andethambutol.
BiopsyofaconcurrentanalfistulawasnegativeforMycobacteriumtuberculosis.
Minorrelapsesoftheskinrashoverthenextthreeyearsrespondedtotopicalsteroidswithnystatin.
From1973to1975theperiodsofremissionbecameshorterandtherelapsesmorewidespread,painful,anddifficulttocontrol.
Skinscrapingsforthetineawerenegative,butbecauseofpedalinterdigitalfissuring,griseofulvinandtopicalmiconazolenitratewerestartedwithoutbeneficialeffect.
TolbutamidewasreintroducedinMay1975.
InOctober1975,thepatienthaddevelopedrecurrentdiarrhoea,weightlossandamildnormo-chromic,normocyticanaemia(Hb11-4g/dl).
Abariummealandfollowthroughexaminationshoweddistortedantralmucosa,wideningoftheduodenalloopanddilationofthesmallintestinallumen,theseradiologicalfeaturesbeingsuggestiveofatumouroftheheadofthepancreaswithmalabsorptionsecondarytoexocrinepancreaticinsufficiency.
Thepatientwasreferredforuppergastrointestinalendoscopy.
Agastro-duodenoscopyshowednoabnormalityinthestomachnoranytumourinvasionintothewalloftheduodenum.
Giantvilli,however,werenotedthroughouttheproximalduodenumandthepossi-bilityofaglucagonomawasfirstconsidered.
Thenumberofvilliperendoscopicfieldisaboutonequarterthatseenincontrols-thatis,thepatient's784onMarch13,2021byguest.
Protectedbycopyright.
http://gut.
bmj.
com/Gut:firstpublishedas10.
1136/gut.
25.
7.
784on1July1984.
DownloadedfromGlucagonomasyndromedemonstratinggiantduodenalvillivilliareaboutfourtimesthecross-sectionalareaofcontrolvilli(Fig.
1).
Endoscopicbiopsyshowedsomeelongatedvilli;meanvillousheight,patient733,um:controls336,um,SD5065gm(n=6).
PancreaticjuicecollectedviaaDreilingtubecontainednomalignantcellsbutonexaminationthegastricaspiratewasfoundtocontainlargenumbersofmycobacteriatuberculosis.
Thepatientwasreferredforafurthercourseofantituberculoustherapy.
AtthistimeglucagonassaywasnotreadilyavailableonspecimensfromGalway.
Overthenextyeartheskinlesionsbecamealmostconstantandassociatedwithsevereburningpedalpainandoedema.
Relapsesoftheskinlesionswereaccompaniedbydiarrhoea.
Sigmoidoscopyrevealednoabnormalityintherectum.
InNovember1976,hewasreferredbacktotheGastroenterologyDepartment.
Fastingblooddrawnforglucagonassayshowedmassivehyperglucagon-aemia(detailsoftheassaywillbegivenlater).
ThepatientwasreadmittedinDecember1976forfurtherinvestigation.
EXAMINATIONTherashhadrecurred.
Thelesionsvariedincharacterhavingeitheracentralnecrolyticbullousareaofadryscalyareasurroundedbyerythemaandafigurateoutline.
Thelesionsweresitedaroundthemouthandnose(Fig.
2),antecubitalandpoplitealfossae,groinsandnatalcleftandoverpressureareas,ischialtuberositiesandlateralsurfacesofthelegs.
Acutelesionsonthefeetrelatedtothezippersonhisslipperswereaccompaniedbyextensiveerythemaandoedema,andhealedlesionsweredemarcatedbypigmentedareas.
Fissureswerenotedbetweenthetoesandonthesolesofhisfeet.
Thenailswerethickenedandopalescentwithlongitudinalridging,pittinganddistalsubungualhyperkeratosis.
Thebuccalmucosawasnormalalthoughangularstomatitiswaspresent.
Thetonguewasshiny,redandfissured.
Thepatientwaspaleandemaciated,withnoFig1EndoscopicphotographsofduodenalmucosaofpatientBB(AandB)andnormalsubject(CandD).
PhotographsweretakenthroughanOlympusGIF-D,panendoscope.
FiguresBandDaftersprayingthemucosalFig2PatientBB,withtypicalrashinvolvingmiddlethirdsurfacewith04%indigocarmine.
offace.
785onMarch13,2021byguest.
Protectedbycopyright.
http://gut.
bmj.
com/Gut:firstpublishedas10.
1136/gut.
25.
7.
784on1July1984.
DownloadedfromStevens,Flanagan,O'Gorman,andBuchanansubcutaneousfat.
Therewasnojaundiceorlympha-denopathy.
Theabdomenwasdistendedbutsoft.
Nohepatosplenomegaly,renalmasses,othermassesorascitesweredetected.
Bowelsoundswereactive.
Generalisedmuscleweaknessandwastingwasnoted.
Hyperaesthesiawasfoundina'gloveandstockingdistribution'.
Reflexeswerebrisk,withflexorplantarresponses.
Hismentalstatuswasvolatile,attimeshewasuncooperativeandatothertimesdocile.
ThepatientrepeatedlyrefusedsurgeryinGalwayandeventuallyalaparotomywasperformedelsewhere.
Atoperation,thepresenceofalargetumourofthepancreas(12x18cm)wasconfirmed.
Excisionwasimpossiblebecauseofextensionofthetumouraroundthesuperiormesentericaxis,theportalvein,andextendingintotheportahepatisandretroperitonealspace.
Biopsyrevealedanisletcellcarcinomaofthecvcelltype.
Tissuewasnotavailabletoextractglucagon-likeimmunoreactivespeciesforcomparisonwiththeperipheralbloodspecies.
Thepatientdiedpostoperatively.
InvestigationHAEMATOLOGYHaemoglobin11.
1g/dl,platelets379000,ESR16mm/l.
Redcellsweremildlyanisocytic,poikilocytic,andmacrocytic.
NoHowellJollybodiesweredetected.
Serumiron,folate,andvitaminB12normal.
BIOCHEMISTRYRoutinebiochemicalscreenshowedabnormalitiesofgammaglutamyltransferase34U/l(normalrange(NR)5-25U/l).
Cholesterol336mmol/l(NR337-7*0mmol/l).
Urinary5hydroxyindoleaceticacid(fourcollections)mean106mol/24h(NR30000MW)withthelatterbeingthemajorpeak.
.
E500BDccIGKCr15000203040506070Effluentvolume(ml)Fig7SephadexG-50Superfinegelchromatographyof0oplasmaduringL-arginineinfusion;plasmapreviously81000-opurifiedbyimmunoaffinitychromatographyonaC-terminalreactiveglucagonantibodySepharoseconjugate0.
.
EluateswereassayedbyanN-terminalantibodyN-GLI)andaC-terminalantibody(.
.
.
.
C-GLl).
()showspositionofGLlpeaksincontrolsubjects.
Columnmarkersareshown,BD=bluedextran,cc=cytochromeC,I=insulin,G=glucagon,K2CrO4=potassiumchromate.
5500-EDuringarginineinfusionchangesinthegelchromatographicprofileoccurred(Fig.
7).
Therewasamarkedincreaseinthe12000and35000203040506070molecularweightregionimmunoreactivity,theEffluentvolume(ml)glucagon-likeimmunoreactivityinthe3500molecularweightregionshowingastrongerreactionFig6SephadexG-50SuperfinegelchromatographyofwiththeN-terminalantibodyandthe12000fastingplasmapreviouslypurifiedbyimmunoaffinitymolecularweightpeakglucagon-likeimmuno-chromatographyonaC-terminalreactiveglucagonreactivityshowedstrongerreactionwiththeC-antibodySepharoseconjugate.
EluateswereassayedbyanN-terminaltantibody(N-GLI)andaC-terminalerminalantibody.
Nopeakwasfoundmgelantibody(.
.
.
.
C-GLI).
(,,)showspositionofGLIpeakschromatographyofeitherfastingspecimenortheincontrolsubjects.
Columnmarkersareshown,BD=bluearginineinfusionspecimenwhichcorrespondedtodextran,cc=cytochromeC,I=insulin,G=glucagon,the>30000molecularweightpeakfoundinnormalK2CrO4=potassiumchromate.
fastingsubjects.
789.
onMarch13,2021byguest.
Protectedbycopyright.
http://gut.
bmj.
com/Gut:firstpublishedas10.
1136/gut.
25.
7.
784on1July1984.
DownloadedfromStevens,Flanagan,O'Gorman,andBuchananDiscussionThepancreaticglucagonomasyndrome,whichischaracterisedbyatypicalskinrash,angularstomatitis,glossitis,weightloss,anaemia,diabetesmellitus,andglucagon-producingtumourofthepancreashasbeenrepeatedlydocumented.
'1314Thesimilarityoftherashtothatseeninacro-dermatitisenteropathicaanditsresponsetozincsupplementsleadtothesuggestionthattheskinlesionsandglossitisoftheglucagonomasyndromearerelatedtosequestrationofzincbytheactivelysecretingtumour.
Ithasbeensuggestedthatfattyaciddeficiencymayproducetheskinlesionbuteveninrelapsethefastingserumlipidswerenormalinourpatientapartfromminimaldepressionofcholesterol.
Spontaneousimprovementintheskinrashonwithdrawalofsulphonylureaswasnotedina38yearoldmanwithapancreaticglucagonoma.
'7Soleretalsuggestedthatthetolbutamidewasprovokingglucagonreleasefromthetumourandthusamoresevereskinrash.
17Therelativeremissionofsymptomsfrom1971-1973inourpatientwhendiabeticcontrolwasbycalorierestrictionaloneandsubsequentrelapseonre-introductionoftolbutamidesupportthistheory.
Ourpatientnotonlyhadfeaturesofthepancreaticglucagonomasyndromebutalsohadlargevilliintheproximalduodenum.
Theenlargedvilli,initiallynotedatendoscopy,wereconfirmedbymorphometricmeasurementonbiopsymaterial.
Endoscopicbiopsiesarenotidealforthisassessmentbecauseoftheirsmallsize,paucityofvilli,tendencytocurlandproblemsofoptimalorientation.
Nevertheless,themeanvillousheightincontrols(336Mm)wassimilartothatfoundbyotherauthors(393,Am).
'9Thefrequencyoftheoccurrenceoflargevilliinpancreaticglucagonomasyndromeisnotknownasthemajorityofpatientshavenotundergoneasmallintestinalbiopsy.
Giantintestinalvillihavebeenrecordedina44yearoldfemalepatient,presentingwithpolyuriaandconstipation,whowasfoundtohaveanenteroglucagonproducingtumourofthekidney.
3Thepatienthadatransienterythematousrash,howeverthedescriptioninthecasereportisnotthatoftheseverenecrolyticdermatosisofthepancreaticglucagonomasyndrome.
Themeanvillousheightinthispatient(1150,um)wasgreaterthaninourpatient(733,um)butthebiopsyintheformerwasfromthemid-jejunum3andinthelatterfromtheproximalduodenum.
Incontrolsthevilliarelongerinthejejunumthanintheduodenum.
'9Ithasbeensuggestedthattheenteroglucagonsecretedbytherenaltumourmayhaveinducedtheintestinalmorphologicalabnormalities,asthesechangesregressedafteroperativeremovalofthetumour,21'2andsalineextractsofthetumour,wheninjectedintraperitoneallyinmice,resultedinmacroscopicenlargementofthesmallbowel.
2'Inthepresentpatientanunusualhighmolecularweightglucagon(molecularweight12000)hasbeenisolated.
Itispossiblethatthisglucagoninducesvilloushypertrophyalthoughitislargerthantheenteroglucagon(molecularweight7000approxi-mately)extractedfromtherenaltumourofthepatientwiththegiantvilli.
20'Affinitychroma-tographyshowedourpatienttobedevoidofglucagon-likeimmunoreactivityreactingonlywithN-GLIantibody.
Innormalsubjectsglucagon-likeimmunoreactivityfromplasmaadherestoaC-terminalreactiveantibodycolumnbutthewashingsfromthiscolumncontainglucagon-likeimmuno-reactivitywhichadherestoanN-terminalcolumn.
ThereasonforthisabnormalityisnotclearbutitmaybeduetodegradationorconcealmentoftheN-terminalsequenceorthepossessionofasequencenotrecognisedbytheantibodies.
Experimentalstudieshaveshownvariousfactorsexhibitatrophiceffectonthesmallintestinalmucosa.
Exogenousgastrinstimulatesgrowthoftheduodenalmucosa,withoutasimilareffectbeingdemonstrabledistallyinthesmallintestine.
22Inourpatient,withnormalfastinggastrinconcentration,hypertrophicvilliwereseenthroughouttheareaexamined,whichwasconfinedtotheduodenalcapandthedescendingduodenum.
Anotherregulatorypeptide,epidermalgrowthfactor,EGF,extractedfromsalivaryandduodenalglandshasbeensuggestedasacandidatefortheroleofentero-trophin,thehormonalcontrollerofintestinalgrowth.
23Anincreaseinduodenalweight,DNAsynthesisandtotalDNAandRNAcontentoftheduodenalmucosahasbeendocumentedafterepidermalgrowthfactoradministration,butthisconflictswithapreviousreportfailingtodemon-stratesimilargrowth.
23Epidermalgrowthfactorassaywasnotavailableinourpatient.
Theeffectofluminalfactorsonintestinaladaptationaftergutresectionhasbeenstudied.
Pancreaticobiliarysecretions24andluminalnutrientsinhyperphagia-'resultedinincreasedmucosalgrowth.
Thesevereatrophyofthesmallintestineoccurringinratsontotalparenterualnutritioncanbepreventedbytheadministrationof15%oftotalcaloriesbytheenteralroute.
25Enterallipids,especiallylongchaintriglycerides,aresuperiortoglycogenandeggalbumeninmaintainingmucosalDNAandtotalproteinweight.
25Itisunclearwhethertheluminalfactorsactdirectlyorbyreleasingatrophichormone.
Inourpatientwehadnoevidenceofexcessiveexocrinepancreaticobiliarysecretionand790onMarch13,2021byguest.
Protectedbycopyright.
http://gut.
bmj.
com/Gut:firstpublishedas10.
1136/gut.
25.
7.
784on1July1984.
DownloadedfromGlucagonomasyndromedemonstratinggiantduodenalvilli791hisdiet(10kJ)wasrestrictedtocontrolhisdiabetesmellitus.
Theabnormalmentalstateofthepatientinfluencedhisinvestigationandtreatment.
Hismoodrapidlychangedfromfullcooperationtocompleteobstinacy.
Menta.
lsymptoms,usuallydepression,havebeennotedinthepancreaticglucagonomasyndrome.
1314Themetabolicbasisforthesesymptomsandtheotherneurologicalabnormalityfoundinthispatient,namelyalteredperipheralsensation,isunexplained.
ThisworkwassupportedbyagrantfromtheBritishDiabeticAssociationtooneoftheauthors(KDB).
WewishtothankProfessorCFMcCarthy,Depart-mentofMedicine,UniversityCollege,GalwayforhisencouragementandDrNinaCarson,SeniorLecturerinChildHealth,DepartmentofChildHealth,Queen'sUniversityofBelfastfortheplasmaaminogramonthepatient.
References1MallinsonCN,BloomSR,WarinAP,SalmonPR,CoxB.
Aglucagonomasyndrome.
Lancet1974;2:1-5.
2LightmanSL,BloomSR.
Cureofinsulin-dependentdiabetesmellitusbyremovalofaglucagonoma.
BrMedJ1974;1:367-8.
3GleesonMH,BloomSR,PolakJM,HenryK,DowlingRH.
Endocrinetumourinkidneyaffectingsmallbowelstructure,motilityandabsorptivefunction.
Gut1971;12:773-82.
4McCarrollAM.
Insulinclearanceby'theisolatedperfusedratliver.
Belfast,NorthernIreland:Queen'sUniversity;MDThesis,1971.
5ArdillJFS.
Themeasurementofgastrinbyradio-immunoassay.
Belfast,NorthernIreland:Queen'sUniversity;PhDThesis,1973.
6HolohanKN,MurphyRF,FlanaganRWJ,BuchananKD,ElmoreTD.
Enzymiciodinationofthehistidylresidueofsecretin:aradioimmunoassayofthehormone.
BiochimBiophysActa1973;322:178.
7BuchananKD,TealeJD,HarperG.
Antibodiestounconjugatedsyntheticandnaturalsecretins.
HormMetabRes1972;4:507.
8MasonJC,MurphyRF,HenryRW,BuchananKD.
Starvationinducedchangesinsecretin-likeimmuno-reactivityofhumanplasma.
BiochimBiophysActa1979;582:322-31.
9ArdillJ,DohertyCC,BuchananKD.
ThenatureofcirculatingVIPanditssupressionbyeating.
ScandGastroenterol1978;13:8(suppl49).
10ArdillJ.
RadioimmunoassayofG.
I.
hormones.
In:BuchananKD,ed.
Clinicsinendocrinologyandmetabolism.
GIhormones;Vol8no.
2.
London:WBSaunders,1979:265-80.
11BuchananKD.
Studiesonthepancreatic-enterichormones.
Belfast,NorthernIreland:Queen'sUniversity;PhDThesis,1973.
12FlanaganRWJ,BuchananKD,MurphyRF.
Specificityofantibodiesinradioimmunoassayofglucagon.
Diabetologia1974;10:365.
13MallinsonC,BloomSR.
Thehyperglycemic,cutaneoussyndrome:Pancreaticglucagonoma.
In:FriesenSR,BolingerRE,eds.
Surgicalendocrinology:clinicalsyndromes.
Philadelphia:JBLippincott,1978:171-99.
14BloomSR,PolakJM.
Theglucagonomasyndrome.
In:GrossmanM,SperanzaV,BassoN,LezocheE,eds.
Gastrointestinalhormonesandpathologyofthedigestivesystem.
NewYork:PlenumPress,1978:183-94.
15MurphyRF,ConlonJM,ImamA,KellyGJC.
Comparisonofnon-biospecificeffectsinimmuno-affiinitychromatographyusingcyanogenbromideandbifunctionaloxiraneasimmobilizingagents.
JChromatogr1977;135:427-33.
16MallinsonCN,AdrianTE,HanleyJ,BryantM,BloomSR.
Metabolicandclinicalresponseinpatientswithpancreaticglucagonomas(Abstract).
IrJMedSci1977;146suppl1:37-8.
17SolerNG,OatesGD,MalinsJM.
Glucagonomasyndromeinyoungman.
ProcRSocMed1976;69:429-31.
18CheliR,AsteH.
Duodenitis.
Stuttgart:GeorgThieme,1976:17.
19PereraDR,WeinsteinWM,RubinCE.
Smallintestinalbiopsy.
HumPathol1975;6:157-217.
20BloomSR.
Anenteroglucagontumour.
Gut1972;13:520-3.
21DowlingRH.
Smallboweladaptationanditsregulation.
In:PolakJM,BloomSR,WrightNA,DalyMJ,eds.
Basicscienceingastroenterology.
Structureofthegut.
Ware,Herts:GlaxoGroupResearchLtd,1982:371-90.
22JohnsonIR,AuresD,YuenL.
Pentagastrin-inducedstimulationofproteinsynthesisinthegastrointestinaltract.
AmJPhysiol1969;217:251-4.
23DembinskiA,GregoryH,KonturekSJ,PolafiskiM.
Trophicactionofepidermalgrowthfactoronthepancreasandgastroduodenalmucosainrats.
In:RobinsonJWL,DowlingRH,RieckenE-O,eds.
Mechanismsofintestinaladaptation.
Lancaster:MTPPressLtd,1982:281-4.
24HughesCA,BatesT,DowlingRH.
Cholecystokininandsecretinpreventtheintestinalmucosalhypoplasiaoftotalparentralnutritioninthedog.
Gastroenterology1978;75:34-41.
25MorinCL,GreyVL,GarofaloC.
Influenceoflipidsonintestinaladaptationafterresection.
In:RobinsonJWL,DowlingRH,RieckenE-O,eds.
Mechanismsofintestinaladaptation.
Lancaster:MTPPressLtd,1982:175-84.
onMarch13,2021byguest.
Protectedbycopyright.
http://gut.
bmj.
com/Gut:firstpublishedas10.
1136/gut.
25.
7.
784on1July1984.
Downloadedfrom
官方网站:点击访问华纳云活动官网活动方案:一、香港云服务器此次推出八种配置的香港云服务器,满足不同行业不同业务规模的客户需求,同时每种配置的云服务都有不同的带宽选择,灵活性更高,可用性更强,性价比更优质。配置带宽月付6折季付5.5折半年付5折年付4.5折2年付4折3年付3折购买1H1G2M/99180324576648直达购买5M/17331556710081134直达购买2H2G2M892444...
棉花云官网棉花云隶属于江西乐网科技有限公司,前身是2014年就运营的2014IDC,专注海外线路已有7年有余,是国内较早从事海外专线的互联网基础服务提供商。公司专注为用户提供低价高性能云计算产品,致力于云计算应用的易用性开发,并引导云计算在国内普及。目前公司研发以及运营云服务基础设施服务平台(IaaS),面向全球客户提供基于云计算的IT解决方案与客户服务(SaaS),拥有丰富的国内BGP、双线高防...
官方网站:点击访问90IDC官方网站优惠码:云八五折优惠劵:90IDCHK85,仅适用于香港CLOUD主机含特惠型。活动方案:年付特惠服务器:CPU均为Intel Xeon两颗,纯CN2永不混线,让您的网站更快一步。香港大浦CN2測速網址: http://194.105.63.191美国三网CN2測速網址: http://154.7.13.95香港购买地址:https://www.90idc.ne...
yy57.com为你推荐
国家网络安全部国家网络安全外挂购买自动充值软件Baby被问婚变绯闻baby的歌词rap那一段为什么不一样留学生认证留学生为什么要做学历认证?lunwenjiance论文检测,知网的是32.4%,改了以后,维普的是29.23%。如果再到知网查,会不会超过呢?www.gegeshe.com《我的电台fm》 she网址是多少?m.2828dy.combabady为啥打不开了,大家帮我提供几个看电影的网址javmoo.com0904-javbo.net_avop210hhb主人公叫什么,好喜欢,有知道的吗www.5any.comwww.qbo5.com 这个网站要安装播放器www.se222se.com请问http://www.dibao222.com这个网是做什么
php主机空间 二级域名查询 万网域名代理 日本软银 主机评测 美国翻墙 私服服务器 linkcloud isatap 国内永久免费云服务器 香港托管 godaddy优惠券 好看的桌面背景图片 eq2 全站静态化 idc资讯 徐正曦 国外ip加速器 银盘服务 英国伦敦 更多