罕见医学院授课ppt讲义：阴部疥螨病Pubiclicea

ByPeterandgergesWhatisit?ItisAlsoknownascrotchcrickets,lovebugsandsnatchmonsters,pubiclice(Phthiruspubis)aretinytan/greyparasitesthatthriveinpubichairandliveoffhumanblood.Pubiclicedon'tjump,butcrawlfromonepersontoanotherthroughskin-to-skincontactduringsex.Ifyou'reunlucky,youcanalsocontractthemifyousharebedding,towelsorclothingwithaninfestedperson.SymptomspubicliceItchingandirritationinthegenitalarea.Bluishspotontheskinwherelicehavebeenfeeding.Darkspotsonskinorunderwear.Oval,whitisheggsonthehair.Howarethepubiclicetreated?Adoseofpubiclicecanbetreatedeasilyandquickly.Justgotoyournearestgenitourinarymedicine(GUM)clinicormakeanappointmenttoseeyourdoctor,andtheywilleasilyspotanyinfestation-evenduringthefirststage.Ifitisdiagnosedearlyenough,theeggscanberemovedwithanitcomb,butoncethelicehavehatched,youwillneedtobuyaliceshampoooverthecounter(pediculicide),orbyprescription(Lindane).Treatmentmayneedtoberepeatedover7to10days.Howdoyougetit?Pubicliceandscabiesaretransmittedbysexualandnon-sexualcontact.Anexamplefornon-sexualcontactisbysharingtowelswithaninfectedperson.Pubicliceandscabiescanliveonobjectsuchastowels,beddingandmattresses.Wherearepubiclicefound?PubicliceusuallyarefoundInthegenitalareonpubicHair;butsometimestheymaybefoundonothercoarseBodyhair,suchashairontheLegs,armpits,mustache,beardandeyebrows.Howdoyougettested?YoucanusuallytellifyouhavepubiclicebyfindingtheadultoreggsonthehairifyouhavepubicliceorscabiesseeadoctorornurseHowtopreventpubicliceandscabiesDrycleanormachinewashallofyourclothinginhotwaterWashallbedlineninhotwaterItisimportanttowashallbedding,towels,andclothingataveryhightemperaturetokilltheliceandtheireggs.Storeallofyourblanketsforoneweekinclosedplasticbagsifyoucannotwashthem.Vacuumeverythingthathasbeenincontactthatyoucannotwash(mattress,carpets,etc)Anysexualpartnersfromthelastmonthshouldalsogetthemselvescheckedtopreventfrompubiclice.CasestudyItchingandrashinaboyandhisgrandmotherAboycametotheofficewitharashandsevereitchingfor2months.Hisgrandmotherwithwhomhespendsmostweekendsandalotoftimeafterschool,alsohashadarashanditchfor3weeks.Theboyandhisgrandmotherbothhavepubicliceandscabies.A30-year-oldmanfeelitching.Hereportsthathisgirlfriendhasthesameitching.Examinationoftheskinrevealsinterdigitallesions,withsmallpapules,vesicles,andexcoriationsonthehands,andinduratednodulesonthegenitalia,allsuggestiveofclassicscabies.Bibliographyhttp://www.phac-aspc.gc.ca/publicat/std-mts/pubic-eng.phphttp://www.womens-health.co.uk/crabs.htmlhttp://goliath.ecnext.com/coms2/gi_0199-5772078/Itching-and-rash-in-a.htmlhttp://www.thesite.org/sexandrelationships/safersex/sexualhealth/pubicliceandscabies