surgical pancreas
TRANSCRIPT
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Surgicalurgical
diseases of theiseases of thePancreasancreasDr Dr .. J. I J. I .. vanvan BeljonBeljon
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Anatomy of thenatomy of the
Pancreasancreas
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Physiology of thehysiology of the
Pancreasancreas Exocrine pancreasExocrine pancreas Trypsin Chymotrypsin Elastase Carboxypeptidase A Carboxypeptidase B Colipase
Pancreatic lipase Cholesterol ester hydrolase Pancreatic α amylase Ribonuclease Deoxyribonuclease Phospholipase A²
Endocrine PancreasEndocrine Pancreas InsulinInsulin
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Acute Pancreatitiscute Pancreatitis
Def. Acute inflammation, usually withDef. Acute inflammation, usually with
rapid onset of pain and tenderness, oftenrapid onset of pain and tenderness, often
accompanied by vomiting, and systemicaccompanied by vomiting, and systemicinflammatory responses. Regionalinflammatory responses. Regional
tissues and remote organ systems aretissues and remote organ systems are
sometimes involved. Elevated pancreaticsometimes involved. Elevated pancreaticenzymes in blood or urine usually occur,enzymes in blood or urine usually occur,
but not invariably.but not invariably.
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Etiology of A.P.tiology of A.P.
Metabolic Mechanical Vascular Infection
Alcohol
Hyperlipoproteinemia
Hypercalcemia
Drugs
Genetic
Scorpion venom
Cholelithiasis
Postoperative
Pancreas divisum
Post-traumatic
E.R.P.
Pancreatic ductobstruction
Pancreatic ductbleeding
Duodenalobstruction
Post-operative
Periarteritisnodosa
Atheroembolism
Mumps
Coxsakie B
Cytomegalovirus
Cryptococcus
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PATHOGENESISATHOGENESIS
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Clinical Picturelinical Picture
CLINICAL PICTURE
HISTORY SYMPTOMS SIGHNS
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Historyistory
Risk factorsRisk factors
Previous attacks?Previous attacks?
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Symptomsymptoms
Pain-Pain- upper abdominal,constant,radiates toupper abdominal,constant,radiates to
the back(50%),Often starts after alcohol bingethe back(50%),Often starts after alcohol bingeor heavy meal,increases in intensity rapidly.or heavy meal,increases in intensity rapidly.Dominant symptom in 85%-100%.Dominant symptom in 85%-100%.
NauseaNausea Vomiting-Vomiting- not coupious,gastric and duodenalnot coupious,gastric and duodenal
contentscontents
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Signsigns
RestlessnessRestlessness
Rapid pulseRapid pulse
Rapid respiratory rateRapid respiratory rate Arterial hypotension Arterial hypotension
Abdomen moderately distended, Abdomen moderately distended,
epigastric fullness.epigastric fullness. Grey-turner signGrey-turner sign
Cullen signCullen sign
Fox signFox sign
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Special investigationspecial investigations
Confirm diagnosisConfirm diagnosis
S-amilase ( remember diff.)S-amilase ( remember diff.)
U-amilaseU-amilase S-lipaseS-lipase
CRPCRP
ABG ABG FBCFBC
S-CalsiumS-Calsium
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RADIOLOGYADIOLOGY
CXRCXR Sympathetic pleural effusionSympathetic pleural effusion Atelectasis Atelectasis A.R.D.S. A.R.D.S.
AXR AXR Sentinal loopSentinal loop
Colon cutoff signColon cutoff sign
Duodenal ileusDuodenal ileus CalcificationsCalcifications Obscured psoas linesObscured psoas lines
79% will have radiological signs !!!79% will have radiological signs !!!
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HOW DO WE DETERMINEOW DO WE DETERMINE
PROGNOSIS? ( TREATMENT)ROGNOSIS? ( TREATMENT)
80% Will recover without any complications80% Will recover without any complications
20% Will develop severe cardio-pulmonary20% Will develop severe cardio-pulmonary
complications or septic complicationscomplications or septic complications Prognostic assessment :Prognostic assessment :
RansonRanson
ImrieImrie APACHE 2 APACHE 2
CRPCRP
Classify into mild or severe acuteClassify into mild or severe acute
pancreatitis ( Atlanta clessification 1992)pancreatitis ( Atlanta clessification 1992)
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TREATMENT OF ACUTEREATMENT OF ACUTE
PANCREATITISANCREATITIS NON-OPERATIVE To limit severity of pancreatic inflammation
Inhibition of pancreatic secreationInhibition of pancreatic secreation Nasogastric suctionNasogastric suction PharmacologicPharmacologic HypothermiaHypothermia
Pancreatic irradiationPancreatic irradiation Inhibition of pancreatic enzymesInhibition of pancreatic enzymes CorticosteroidsCorticosteroids ProstaglandinsProstaglandins
To interrupt the pathogenesis of complications Antibiotics Antibiotics Antacids Antacids HeparinHeparin Low molecular weight dextranLow molecular weight dextran
VasopressinVasopressin Peritoeal lava ePeritoeal lava e
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TREATMENT OF ACUTEREATMENT OF ACUTE
PANCREATITISANCREATITIS
To support the patient and treatTo support the patient and treatcomplicationscomplications Restoration and maintenance of Restoration and maintenance of
intravascular volumeintravascular volume Electrolite replacementElectrolite replacement Respiratory supportRespiratory support Nutritional supportNutritional support Analgesia Analgesia HeparinHeparin
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TREATMENT OF ACUTEREATMENT OF ACUTE
PANCREATITISANCREATITIS Operative treatmentOperative treatment Diagnostic laparotomyDiagnostic laparotomy To limit the severity of the pancreatic inflammationTo limit the severity of the pancreatic inflammation
Biliary proceduresBiliary procedures To interrupt the pathogenesis of complicationsTo interrupt the pathogenesis of complications
Pancreatic drainagePancreatic drainage Pancreatic resectionPancreatic resection Pancreatic debridementPancreatic debridement
Peritoneal lavagePeritoneal lavage To support the patient and treat complicationsTo support the patient and treat complications
Drainage of pancreatic infectionDrainage of pancreatic infection Feeding jejenostomyFeeding jejenostomy
To prevent recurrent pancreatitisTo prevent recurrent pancreatitis
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Summary of treatmentummary of treatment All patients All patients
Nasogastric suctionNasogastric suction NPONPO Monitor and maintenance of intravascular volumeMonitor and maintenance of intravascular volume Respiratory monitoring and supportRespiratory monitoring and support
Antibiotics(selective) Antibiotics(selective) Early laparotomy only fordiagnosisEarly laparotomy only fordiagnosis Estimate prognosis by early signsEstimate prognosis by early signs
Patients with severe pancreatitisPatients with severe pancreatitis
Peritoneal lavagePeritoneal lavage Nutritional supportNutritional support Suspect and treat pancreatic sepsisSuspect and treat pancreatic sepsis Heparin if hypercoagulableHeparin if hypercoagulable
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Complications of acuteomplications of acute
pancreatitisancreatitis
Systemic complications:Systemic complications: Fluid imbalanceFluid imbalance Electrolite imbalanceElectrolite imbalance Cardiac impairmantCardiac impairmant
Renal impairmantRenal impairmant
Respiratory impairmandRespiratory impairmand Liver failureLiver failure
Local complications:Local complications: IleusIleus Duodenal obstructionDuodenal obstruction Biliary obstructionBiliary obstruction Pseudocyst formationPseudocyst formation Infected necrosisInfected necrosis Colon necrosisColon necrosis
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Pancreatic pseudocystancreatic pseudocyst
Def. Pseudocysts are localized collections of Def. Pseudocysts are localized collections of pancreatic juice occurring as a result of pancreaticpancreatic juice occurring as a result of pancreaticinflammation, trauma or duct obstruction.They areinflammation, trauma or duct obstruction.They aredistinguished from other types of pancreatic cysts bydistinguished from other types of pancreatic cysts bytheir lack of an epithelial lining.their lack of an epithelial lining.
Presenting symptoms:Presenting symptoms: Epigastric painEpigastric pain NauseaNausea
VomitingVomiting Weight lossWeight loss Epigastric massEpigastric mass Fever Fever JaundiceJaundice
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Pancreatic pseudocystancreatic pseudocyst
Investigations:Investigations: Elevated s-amylase (50%)Elevated s-amylase (50%) UltrasoundUltrasound CTCT ? E.R.C.P.? E.R.C.P.
Natural history:Natural history: Most will resolve spontaneouslyMost will resolve spontaneously
Treatment:Treatment: Only if symptomaticOnly if symptomatic
Treatment options:Treatment options: DrainageDrainage
ExternalExternal InternalInternal
EndoscopicEndoscopic
surgicallysurgically
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CHRONICHRONIC
PANCREATITISANCREATITIS
DEF.DEF. Chronic pancreatitis is an inflammatory diseaseChronic pancreatitis is an inflammatory disease
of the pancreas characterized by destruction of itsof the pancreas characterized by destruction of its
exocrine and endocrine tissue and by their replacementexocrine and endocrine tissue and by their replacement
with fibrous scar.with fibrous scar.
It is the difference in the ability to recover that is theIt is the difference in the ability to recover that is the
basis for the classification of pancreatitis into acute andbasis for the classification of pancreatitis into acute and
chronic forms.chronic forms.
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ETIOLOGY OF CHRONICTIOLOGY OF CHRONIC
PANCREATITISANCREATITIS
Alcohol Alcohol
Ductal obstructionDuctal obstruction
Congenital or acquired strictures of the pancreaticCongenital or acquired strictures of the pancreatic
ductduct Pancreas divisumPancreas divisum
Ductal obstruction due to tumorsDuctal obstruction due to tumors
Inflammation of the ampulla of Vater Inflammation of the ampulla of Vater
Protein malnutritionProtein malnutrition Cyctic fibrosisCyctic fibrosis
Hypercacemic statesHypercacemic states
Hereditary pancreatitisHereditary pancreatitis
Idiopathic pancreatitisIdiopathic pancreatitis
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CLINICALLINICAL
MANIFESTATIONSANIFESTATIONS
Abdominal pain (95%) Abdominal pain (95%)
Exocrine dysfunction (steatorrhea &Exocrine dysfunction (steatorrhea &
creatorrhea)creatorrhea) Endocrine dysfunction ( DM)Endocrine dysfunction ( DM)
Weight loss (75%)Weight loss (75%)
Few clinical findingsFew clinical findings
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SPECIALPECIAL
INVESTIGATIONSNVESTIGATIONS Blood testsBlood tests
Radiology (mainstay of the diagnosis)Radiology (mainstay of the diagnosis)
AXR AXR
Pancreatic calcifications (30-50%)Pancreatic calcifications (30-50%)
CTCT
Dilated pancreatic ductDilated pancreatic duct
Calcification of pancreasCalcification of pancreas
PseudocyctsPseudocycts E.R.C.P.E.R.C.P.
““Chain of lakes” appearanceChain of lakes” appearance
Distal bile duct stenosisDistal bile duct stenosis
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EXTRAPANCREATICXTRAPANCREATIC
INVOLVEMENTNVOLVEMENT
Common bile duct obstruction (10%)Common bile duct obstruction (10%)
Duodenal obstruction (1%)Duodenal obstruction (1%)
Colonic obstructionColonic obstruction
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TREATMENT OFREATMENT OF
CHRONICHRONIC
PANCREATITISANCREATITIS MEDICALMEDICAL
PancreaticPancreatic
insufficiencyinsufficiency Diabetes mellitisDiabetes mellitis
PainPain
SURGICALSURGICAL
ResectionsResections
Drainage proceduresDrainage procedures
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PANCREAS TUMORSANCREAS TUMORS
Benign v/s malignantBenign v/s malignant
Exocrine v/s Endocrine ( Pancreatic isletExocrine v/s Endocrine ( Pancreatic islet
cell tumors )cell tumors )
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ENDOCRINE TUMORSNDOCRINE TUMORS
Alpha cell Glucagon Glucagonoma Alpha cell Glucagon Glucagonoma
Beta cell Insulin InsulinomaBeta cell Insulin Insulinoma
Delta cell Somatostatin SomatostatinomaDelta cell Somatostatin Somatostatinoma
Delta-2-cells VIP WDHA (Vipoma)Delta-2-cells VIP WDHA (Vipoma)
G-cells Gastrin ZES (Gastrinoma)G-cells Gastrin ZES (Gastrinoma)
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EXOCRINE TUMORSXOCRINE TUMORS
Adenocarcinomas Adenocarcinomas Most common pancreas tumor Most common pancreas tumor Etiology unknownEtiology unknown
Risk factorsRisk factors Sigaret smokingSigaret smoking High intake animal fat and meatHigh intake animal fat and meat Chronic pancreatitisChronic pancreatitis
Several hereditary disordersSeveral hereditary disorders Hereditary pancreatitisHereditary pancreatitis Von Hippel-Lindau syndromeVon Hippel-Lindau syndrome Lynch-syndromeLynch-syndrome Ataxiatelangiectasia Ataxiatelangiectasia
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CLINICALLINICAL
PRESENTATIONRESENTATION
Symptoms:Symptoms: Early non-spesificEarly non-spesific Anorexia Anorexia
Weight lossWeight loss Abdominal discomfort Abdominal discomfort NauseaNausea Spesific symptomsSpesific symptoms
JaundiceJaundice PruritisPruritis Moderate painModerate pain DMDM Unexplained attack of pancreatitisUnexplained attack of pancreatitis
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CLINICALLINICAL
PRESENTATIONRESENTATION Physical findingsPhysical findings JaundiceJaundice
Enlarged liver Enlarged liver
Palpable gallbladder ( Courvoisier`s law)Palpable gallbladder ( Courvoisier`s law) Palpable mass ( Big pancreas tumor)Palpable mass ( Big pancreas tumor)
Ascites Ascites
Virchow-Troisier nodeVirchow-Troisier node
Blumer shelf Blumer shelf
Sister Josephs nodeSister Josephs node
WastingWasting
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LABORATORY DATAABORATORY DATA
LFT ( raised ALP, Bili.)LFT ( raised ALP, Bili.)
CA 19-9CA 19-9
CA 494CA 494
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RADIOLOGYADIOLOGY
UltrasoundUltrasound
CT scanCT scan
MRIMRI
CholangiographyCholangiography E.R.C.P.E.R.C.P.
P.T.C.P.T.C. M.R.C.P.M.R.C.P.
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TREATMENTREATMENT
PalliationPalliation
Jaundice ( pruritis)Jaundice ( pruritis)
PainPain
Duodenal obstructionDuodenal obstruction
CurritaveCurritave Resection of the tumor (WhippleResection of the tumor (Whipple
procedure / Pancreaticoduodenectomy )procedure / Pancreaticoduodenectomy )