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Abdominalwallhernias❑generalconsideration❑inguinalhernias❑femoralhernia❑incisionalhernia❑umbilialhernia❑herniaoflineaalbageneral
consideration⚫DefinitionHerniameansasprout,andprotrusion.Externalabdominalwallherniaisanabnormalprotrusionofintra-abdomi
naltissueorthewholeorpartofaviscerathroughanopeningorfascialdefectintheabdominalwall.mostoccurinthegrion❖Etiology1.inte
nsityofabdominalwalldecreasedcommonfactors:1)sitethatsometissuespassthroughtheabdominalwall,eg.Spermaticcord,roundligamentofuterus2)baddevelopmen
tofabdominalwhiteline3)incision,trauma,infectionetal.defectincollagensynthesisorturnover2.anyconditionwhichinc
reasesintra-abdominalpressurechroniccough,chronicconstipation,dysuria,ascites,pregnancy,cry❖Pathologicalana
tomycomposedof:coveringtissue:skin,subcutanoustissuehernialsac:protrusionofperitonum,neckofthesac:isnarrowwherethesacemergesfromtheabdom
enbodyofthesachernialcontents:smallintestine,majoromentum❖Clinicaltypes1.reducibleherniaisoneinwhichthe
contentsofthesacreturntotheabdomenspontaneouslyorwithmanualpressurewhenthepatientisrecumbent.2.irreducibleherniaisonewhoseconte
ntsorpartofcontentscannotbereturnedtotheabdomen,withoutserioussymptoms.herniasaretrappedbythenarrowneckSlidingherniaisoneinwhichthewallofaviscusfo
rmsaportionofthewalloftheherniasac.Itismaybecolon(ontheleft),caccum(ontheright)orbladder(oneitherside).Belongstoirred
uciblehernia3.incarceratedhernia:isonewhosecontentscannotbereturnedtotheabdomen,withseveresymptoms.4.strangulatedhernia:denotesco
mpromisetothebloodsupplyofthecontentsofthesac.incarceratedherniaandstrangulatedherniaarethetwostagesofapathologicc
ourseRichter’shernia(intestinalwallhernia)aherniathathasstrangulatedorincarceratedapartoftheintestinalwallwithoutcomprom
isingthelumen.Littrehernia:aherniathathasincarceratedtheintestinaldiverticulum(usuallyMeckeldiverticu
lum).Reductiveincarceratedhernia:reductionofthehernialcontents(intestine)intoabdominalcavity.Inguinalhernias→→→⚫Anatomy1.Anatomiclayers1)skin,
subcutaneoustissue2)externalobliquemuscle,aponeurosis⚫Subcutaneous(external)inguinalring:Triangularopening,intheaponeu
rosisoftheexternalobliquejustsuperiorandlateraltothepubictubercle.Inguinalligament:itisformedasthelateraledgeoftheaponeurosisofexternalo
bliquerollsuponitselfandthickensintoacord,extendingfromtheanteriorsuperioriliacspinetothepubictubercle.
LacunarligamentCooper’sligament(pectinealligament)Sensorynerves:iliohypogastricnerve,ilioinguinalnerve3)intern
alobliquemuscleandtranverseabdominalmuscleConjoinedtendon(flaxinguinalis):thelowerfibersoftheinternalobliquemusclefusewiththelowermostarchingfib
ersofthetransversemuscleoftheabdomenandinsertwiththemintothepubictubercle,formingtheconjoinedtendon.4)TransversalisfasciaInternalinguinalrin
g:isthepointatwhichthespermaticcordorroundligamentpassesthroughthetransversalisfasciatoentertheinguinalcanal.surfacemarking:2cmsuperiort
othepointmidwaybetweentheanteriorsuperioriliacspineandthepubictubercle.Iliopubictract:itisthethickestportionofthetran
sversalisfasciaintheinguinalregion.Itparallelsandliesjustmedialtotheinguinalligament.5)extraperitonealfatandperitoneu
m2.AnatomyofinguinalcanalContents:spermaticcord,roundligament,ilioinguinalnerveWalls:anterior:skin,superficialfascia,andexternalabliqueaponeuros
isposterior:transversalisfasciasuperior:conjoinedtendeninferior:inguinalligament3Hesselbach’striangleBoundedbytheinguinalligament,theinferiorepigas
tricvessels,andthelateraledgeofrectusmuscle.❖Causesofindirectinguinalhernia1.congenitalabnormalityofanatomyduetofailureoffusionoftheprocessusva
ginalisperitoneiafterthetestishasdescendedintothescrotum.2.acquiredweaknessordefectofabdominalwall❖Clinical
manifestationanddiagnosisSymptoms:pain,discomfort,draggingsensationSign:reducibleorirreduciblelump,expansilecoughimpulseReducing
theherniafully,compresstheinternalring:becontrolled–indirectnotcontrolled--directDifferencesbetweenindirectanddirecthe
rniafeatureindirectdirectagechildren,youngpeopleagedpeoplepathwayofprotrusioncomingdowntheinguinalcanal,mayenterthescrotumpassthroughH
esselbach’striangle,rarelyenterthescrotumcontoursofsacelliptic,pear-shapedsemispheric,widebasecompresstheinternalringafterreducedcontrolle
dcontrolledRelationshipofspermaticcordwithsacPosteriortothesacAnteriorandlateraltothesacRelationshipofsacneckw
ithinferiorepigastricarterySacneckislateraltoitSacneckismedialtoitIncarceratedincidencehighlow1.Differentialdiagnosis2.1dydroceleoftestistranslucentt
est(+)3.2communicatedhydrocele4.3hydroceleofcord:notreducible5.4undescendedtestis6.5acuteintestinalobstruction7.Treatment1.nonoperativetherapyIndicat
ions:<1yearoldelderlypatientsorwithseveresystemicdisease--truss2.operationsforinguinalherniaconventionalre
pairsPrinciples:excisionorreductionofthehernialsac,highligationofthesac,andrepairthewallsoftheinguinal
canalA:highligationofherniasacUsedininfants,andpatientswithseverelocalinfectionB:repairofwallsoftheingui
nalcancalIrepairoftheanteriorwalloftheinguinalcanalFergusonrepairIIRepairoftheposteriorwallBassinirepairHalstedre
pair:placingthelatterinasubcutanouspositionMcVayrepair:loweredgeofinternalobliquemuscleandtheconjoined
tendonareapproximatedtoCooper’sligamentontheiliopectineallineofthepubis.Shouldicerepair:theposteriorwal
loftheinguinalcanalisrepairedbydividingthetransversalisfasciafromthepubistoadjacenttotheinferiorepigastricvessel,thenimbricatesutures.Inte
rnalring:passafingertip2)tension-freehernioplastyinsertionofaprostheticmesh3)laparoscopicrepairofinguinalhernia3.managementruleofincarcerated
andstrangulatedherniaIndicationsformanualreduction:1)duration<3-4hours,nolocaltenderness,noabdominalten
derness,norigidityofabdominalmuscle2)elderlypatientsorwithotherseverediseases,andtheintestinalloopisstillaliveUsuallyrequiresemergencyoperation4.Mana
gementruleofrecurrentinguinalhernia1)truerecurrenthernia2)concomitanthernia3)newoccurringherniaFemoralhernia⚫introductionFemora
lherniaisaprotrusionofperitoneumthroughthefemoralcanal.Usuallyinwomen>40yearsCauses:laxityofgrointissue
elevatedintra-abdominalcanal⚫AnatomyoffemoralcanalFemoralring–fossaovalisAnterior:inguinalligamentPosterior:pectinealligamentMedial:lacunarligamen
tLateral:femoralvein❖Pathologicanatomy❖ClinicalfindingsanddiagnosisReduciblefemoralhernia:asymptomaticlump,lo
calizedintermittentdiscomfortIrreduciblefemoralhernia:constantlumpandlocalizeddiscomfortStrangulatedfemoralhernia❖Differentialdiagnos
is1.indirectinguinalhernia2.lipoma3.groinlymphnodes4.longsaphenousvarix5.iliolumbartuberculousabscess❖TreatmentNotbetreatedconservati
velyRuleoperation:excisionorreductionofthehernialsac,andnarrowingofthestretchedfemoralopeningmethods:McVa
yrepairtension-freehernioplastylaparoscopicrepairofinguinalherniaOtherabdominalexternalherniaIncision
alherniaIncisionalhernia:anabnormalprotrusionofaviscusthroughthemusculoaponeuroticlayersofasurgicalscar.Wounddehiscence⚫Eti
ologyPreoperativefactorsOperativefactors:typesofincision:verticalincision,transrectusincision,midlineincision,standar
dparmedianincisiontechniqueofclosuresuturemateriaPostoperativefactors:increasedintra-abdominalpressure,etal.❖Clinicalfeatures
anddiagnosisSwellingandmassintheincisionHernialringRarelyincarcerate❖TreatmentOperativerepair:thesamewayasalaparotomywoundisrepaired,orusemeshU
mbilicalhernia1infantileumbilicalhernia1)failureoffusionofumbilicalring,orweakenedumbilicaltissue2)sym
ptomless,reduciblelump3)usuallydisappearbytheageof2years4)rarelyincarcerate5)surgicalrepair>2years2Adultumbilicalhernia1)acquiredhernia
2)morecommoninfemales3)incarcerationiscommon4)surgicalrepair:excisionofthesac,suturetheherniaringHerniaoflineaalbaEpigastricherniaItisapr
otrusionofpreperitonealfatand/orperitonealsacthroughagapinthedecussatingfibersofthelineaalba,usuallythesupraumbilicalportiono
fthelineaalba.Mostareasymptomatic,orvagueupperabdominalpainandnauseamaybepresent.Surgicalrepair