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LMCC Review
General Surgery
Dr. DF Pitt
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Review Topics• Colo-rectal cancer/GI bleeding• Diverticulitis/Appendicitis/IBD• Peptic Ulcer• Bowel Obstruction• Breast Disease• Hernias• Thyroid disease• Biliary Disease/Pancreatitis/Jaundice• Trauma• Peri-anal Disease
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Hernias• Inguinal
– Indirect– direct
• Femoral• Umbilical• Abdominal wall
– epigastric– Incisional– Spigelian
• Obturator• Internal
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• What are the complications of hernias?
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Hernia Complications
• Pain• Incarceration• Strangulation• Bowel obstruction
– Richter
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• Incidence• 25% of male, 2% female lifetime risk• Congenital, exertion, age, increased
abdominal pressure, collagen disease• Male 90% females 10%• Indirect 80% direct 20%• Femoral more common in females
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Physical exam
• Inguinal– Direct vs indirect
• Femoral
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Inguinal hernia
indirect direct
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Pancreatitis & its Complications• Etiology Acute: Biliary 40% Ethanol 40% Idiopathic 10%
High lipidERCPPost-opTraumaAnatomicalScorpion – Titus trinitatisHyperparathyroid
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Drugs
• Sulfa• Clonidine• Quinine• Warfarin• Furosemide• Thiazides• Diazoxid
• Estrogen• Flagyl• 5-ASA• Calcium• Prednisone• Methyldopa• Phenformin
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Pathophysiology• Biliary Pancreatitis• Passage of Stone• Edema of Sphincter of Odi• Increase pressure in Pancreatic duct• Ethanol• Unknown• Local activation of pancreatic enzymes• Tissue destruction• Edema & inflammation
extensive tissue destruction• Release of cytokines
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Acute pancreatitisPresentation Investigation
• Acute onset abd. pain• N & V• History of gall stones or
alcohol• Symptoms vs signs
• Lipase• U/S
– pancreas– gall bladder
• CT scan• Invest. for etiology
when resolved
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Grey-Turner sign
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Cullen’s sign
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Acute pancreatitisTreatment Outcome
• No specific Rx• Hydration• N/G suction• Nutrition• Pain control• Supportive
– Oxygen, ventilator– inotropes etc.
• Common disease• 80 - 90% transient• 10 - 20% severe• Mortality
– Depends of severity
• Complications
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• What are the complications of acute pancreatitis?
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Pancreatitis & its Complications• Local Complications : 1. Acute Fluid collection 2. Pancreatic Necrosis 3. Pancreatic Pseudocyst 4. Rupture of cyst 5. Pancreatic Abscess
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Pancreatitis & its Complications• Diagnosis: Contrast enhanced CT scan FNA for infected necrosis
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Rx. of complications of acute pancreatitis
• 1. Fluid collection: Conservative• 2.Pancreatic Necrosis – conservative as much
as possible• 3. Pancreatic pseudocyst:
– Conservative vs. surgery – 67% kyst larger than 6cm needs surgery– 6 weeks
• 4. Pancreatic abscess
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Gall stones
• Incidence increases with age
• 2:1 F:M• 10% in 40s (F)• 40% become
symptomatic• 2 - 4% complicated
disease
• Acute colic– acute abdominal pain– epigastric pain moving
to RUQ– radiates to back.
scapula, shoulder– N&V– last 1 - 12 hrs
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Complications• Biliary colic• Cholecystitis• Choledocholithiasis• Cholangitis• Pancreatitis• Rupture • Gall stone “ileus”• Biliary cirrhosis• Cancer
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Signs and symptoms• Pain• Murphy’s sign• Courvoisier gall bladder
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Management
• Indications– symptoms– complications– (comorbidities)
• Laparoscopic cholecystectomy
• Open• E.R.C.P. for common
duct stones• Cholecystostomy
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Principles of Trauma• Golden hour• Primary survey• Secondary survey• Transfer to trauma center
– Shortest out of hospital time
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Primary SurveyA - irway (c-spine)B - reathingC - irculationD - isabilityE - xposure of pt (undress completely)
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Secondary Survey
• F - arenheit (keep pt warm)• G - et vitals (complete)• H - ead to toe
– With gloves, feel and move everything…everything!!!!
• I - nspect back (log roll pt)– Rectal if not done yet– Spine precautions during roll
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Head to Toe• Run hands through hair• Remove c-collar with assistance and palpate
neck (ant & post)• Feel all facial bones, manipulate jaw and
maxilla• Passive ROM through all joints (not obviously
injured)• Look in ears• Vaginal exam in females (if indicated)
– Never assume vaginal blood is menses until proven
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Interventions• I.V. 2 large bore (one above and one below
diaphragm)• Foley catheter (after rectal done)• NG tube (if no basal skull fracture)• Analgesia / sedation• Antibiotics• Tetanus
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Investigations
• CBC, diff, lytes, Cr, BUN, glucose, ETOH, INR/PTT, x-match x 6 units, drug screen, ABG’s
• ECG (least important)• CXR (most important x-ray), Pelvis, c-spine
(x-table lat)• U/S (FAST)• CT scan (head/chest/abd/pelvis)• MRI (not usually in first 24 hrs)
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Clearing the C-spine• NO distracting injuries• Alert and oriented- GCS 15• No drugs, alcohol or narcotics on board• Must see to T1• X-table lat / odontoid / AP views (minimum)• CT neck if incomplete• MRI
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C-spineX-table lateral
view
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Chest X-ray• Tension
Pneumothorax
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Chest X-ray• Hemothorax
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Chest X-ray • Aortic Tear
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Indications for surgery in Thoracic trauma
• Massive continued air leak• Hemothorax 1500cc + 250cc/hrX3• Major Tracheal/ Bronchial/esophageal injury• Cardiac tamponade or Great vessel Injury
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Prioritization• Airway• Breathing• Circulation• Deficits (preserving brain)• Restore vascular continuity• Restore orthopedic continuity• Restore intestinal continuity• Prevent infection• Minimize cosmetic damage• Minimize psychological fallout
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Trends in Trauma Care• Non-operative management Spleen and Liver
injuries– Aggressive conservatism
• Non-operative management Kidney injuries• Embolic hemorrhagic control
– Interventional radiology
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Hemorrhoids
Thrombosed external (perianal hematoma)
acute pain, minor bleeding
I&D <48 hrs.
Internal
bleeding, prolapse, thrombosis
vast majority will resolve with medical therapy only
hemorrhoids can indicate more serious occult disease
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Internal Hemorrhoids (painless)• Bleeding
– Anoscope / sigmoidoscopy– Medical therapy– Banding– Hemorrhoidectomy (emergent rare)
• Prolapsed– Reduction and planned elective therapy
• Strangulated– Reduction and possible emergent hemorrhoidectomy
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HemorrhoIds
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Fissure in Ano
• Is a linear ulcer of the lower half of the anal canal, usually found in the posterior midline (lateral fissures imply other disease)
• Associated with anal tags or sentinel pile• Higher than normal resting pressure in the anal
sphincter (internal)• Cause and effect is not clear• Associated with constipation (stool retention)
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Hypertrophied papilla
Fissure
Internal sphincter
• Sentinel pile
A
N
A
T
O
M
y
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Treatment• Good bowel routine (fruit / fluids etc…)• 90% will heal with medical therapy• Acute vs chronic
– Chronic more likely to require surgical treatment
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Medical Treatment• Stool softeners• Dietary changes• Nitro paste• Botulism toxin• Nifedepine• Anal dilatation (recurrence 10-30% @ 1 year)
– Short term incontinence 40%
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Surgical Options• Lateral internal sphincterotomy (mainstay)
– Open (0-10% recurrence)– Closed (0-10% recurrence)
• Incontinence 5% average (closed less than open)
• Most recurrence resolve with medical therapy
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Peri-Rectal/Anal Abscess• Arises from the anal crypts/glands• Painful / progressive• 30% associated with residual fistula• I & D definitive treatment• Consider underlying systemic disease
– Especially if recurrent
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Etiology of abscess (non-cryptoglandular)
• Carcinoma• Trauma• Crohn’s• Radiation• Tuberculosis• Actinomycosis• Foreign body• leukemia
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Perianal Abscess • Types
Ischiorectal
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I & D Principles• Break up all pockets• Leave opening
– Cruciate– ellipse
• Pack with wick X 1 day• Sitz with BM and 1-2 X day• Follow up in 1 week• Refer intersphincteric / ischiorectal /
supralevator to surgeon
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Fistula-in-ano• Rarely heal spont.• Present with recurrent abscess• Surgical treatment is ideal
– Seton– Fistulotomy– Advancement flap– LIFT
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Goodsall’s Rule
Establishes the
internal opening
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Colon cancer risk is increased in all except oneof the following:-
1) Juvenile polyps2) Familial polyposis3) Ulcerative colitis4) Previous colon cancer
Not all Polyps are created equal
FLASH QUIZ
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Case #1:
• 50 y.o. female with 24 hours of progressive abdominal pain. Associated with vomiting, fever, anorexia. No previous history. Some diarrhea now, 12 hours no stool. Decreased urine output. Pain localized to LLQ.
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What is the most likely diagnosis?
A.Colon CancerB.DiverticulitisC.AppendicitisD.Mesenteric IschemiaE.Perforated Ulcer
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Which of the following do you consider to be a strong indication for laparotomy?
1) Localized pain
2) involuntary guarding
3) Crampy abdominal pain
4) Severe complaint of pain
5) Voluntary guarding
FLASH QUIZ
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Case #2• 78 year old male with 24 hour hx of vomiting,
no stool or gas for 18 hours, abd pain and cramping, abd distention ++. No fever. Decreased urine output. Anorexic. Nursing home patient. Previous history of similar symptoms 2 months ago (resolved spont..)
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What is the most likely diagnosis and how would you treat it?
A Small bowel obstructionSecondary to: adhesions / hernia / other
B Large bowel obstructionSecondary to: Cancer / diverticulitis / volvulus /
other
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What is the most likely diagnosis and how would you treat it?
A Small bowel obstructionSecondary to: adhesions / hernia / other
B Large bowel obstructionSecondary to: Cancer / diverticulitis / volvulus /
other
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Case #3 (Trauma)• A 35 year old woman is involved as a right
front seat passenger in a head-on automobile collision. In the emergency room, she has a tender abdomen and has the appearance shown here.
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A likely injury she may have sustained would be:
• Perforated colon• Ruptured spleen• Mesenteric vascular avulsion• Fractured pelvis• Pneumothorax
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FLASH QUIZHow would you determine what was causing
the following patient’s symptoms 2 minutes after arriving in the ER… hypotension, elevated JVP, tachycardia and dyspnea?A Chest -x-ray (upright)B CT chestC Chest x-ray (supine)D Needle thoracostomyE ECG
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FLASH QUIZWhat is Beck’s Triad?
A Diminished heart sounds, elevated JVP, tachycardia
B Diminished heart sounds, hypotension, tachycardia
C Elevated JVP, hypotension, diminished breath sounds
D Hypotension, diminished heart sounds, elevated JVP
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FLASH QUIZ
What does Beck’s Triad indicate?A Tension hemothoraxB Flail chestC Pericardial effusionD Disrupted tracheo-bronchial tree
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FLASH QUIZ
Where is the most common location of blunt aortic tears?A Aortic RootB Ascending aortaC Descending aorta at diaphragmD Ligamentum arteriosum
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FLASH QUIZ
Which of the following is an indication to take a patient with a spleen injury to the OR when managing non-operatively?A Age 68 yearsB Hypotension after transfusionC Sudden severe abd pain 3 days after admissionD Hemoglobin of 70 3 days after admission (no transfusion
given)
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Case #4A 35 y.o. male presents with a lump and pain in the
right groin for 8 hours. It is hard and tender and above the inguinal ligament. What is the most likely diagnosis?A Femoral herniaB Indirect inguinal herniaC Direct inguinal herniaD Lymphoma
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Case #4A 35 y.o. male presents with a lump and pain in the
right groin for 8 hours. It is hard and tender and above the inguinal ligament. What is the most likely diagnosis?A Femoral herniaB Spegallian HerniaC Direct inguinal herniaD Lymphoma
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A 45yr old man comes into Emerg. with sudden severe abdominal pain. He is diagnosed as having acute pancreatitis. He does not drink, is on no meds. What is the most likely cause of his pancreatitis?
1) Idiopathic2) Hyperlipidemia3) Hypercalcemia4) Gall stones5) Scorpion bite
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A patient has an U/S for kidney disease and isfound to have gall stones. There is no history of symptoms. Which of the following are true?
1) Gall stones consist mostly of bile pigment2) Gall stones, left untreated, most will pass3) There is about a 40% chance the patient will become symptomatic4) There is a high incidence of gall bladder cancer with gall stones5) Gall stones are more often found in males
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FLASH QUIZ
What is Charcot’s Triad?A HypotensionB JaundiceC FeverD RUQ painE Altered LOC
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Sore Bum• Case #8: 28 y.o. male with 48 hours
progressive anal pain. +++ sitting and with BM’s. Very sore to touch. No drainage. No diarrhea. No previous symptoms or history. Girl friend states anal area is red and hot and swollen.
Case #7
What is the most likely diagnosis?
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Differential diagnosis
• Hemorrhoids (external or internal)• Fistula• Fissure• Rectal abscess
– Peri-anal– Intra-sphincteric– Ischio-rectal– Supra-levator