GI Flashcards

(203 cards)

1
Q

Etiology of colorectal CA

A

Most adenocarcinomas from mucosa

rarely carcinoid, lymphomas, kaposi

3rd common CA

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2
Q

Screening for colorectal CA begins?

if family Hx?

A

50

10 yrs younger than youngest afflicted

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3
Q

Most common site of distal colorectal spread

A

liver

also lumbar/vertebral veins to lungs, lymphatic regionally

20% mets at presentation

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4
Q

Familial adenomatous polyposis

Tx?

A

Auto dom disease
hundreds of adenomatous polyps in colon
Colon ALWAYS involved q/ duodenum 90%

prophylactic colectomy

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5
Q

Gardner’s syndome(5 things)

A

polyps plus: oseomas, dental abnormalities, benigh soft tissue tumors, desmoid tumors, sebacious cysts

CRC 100% by age 40

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6
Q

Turcots Syndrome

A

Auto recessive

polyps plus cerebellar medulloblastoma or gioblastoma multiforme

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7
Q

Peutz-Jeghers (4)

A

single or mtpl harmatomsa scattered throughout the GI in small bowel, colon, stomach

W/ pigments lips/oral mucosa, face, genitalia,

low malignant potential w/ slight increase risk w/ other carcinomas

intrussception or Gi bleed concerns

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8
Q

pigmented spots on lips, oral mucosa and maybe genitalia and has increased risk of other carcinomas w/ already harmatomas

A

Peutz jeghers

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9
Q

Familial juvenile polyposis

A

rare

presents in childhood w/ small risk of CRC

10 -100s polyps

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10
Q

Lynch Syndrome I

A

Site specific CRC - early onset w/o antecedent maple polyposis

Lynch II includes increased # and risk of other CA in the family (female genital tract, stomach, pancreas, brain, breast, biliary)

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11
Q

Signs of Colorectal CA?

A

melana/hematochezia

ab pain, bowel habit change, Fe deficiency anemia

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12
Q

most common cause of bowl obstruction in adults

A

Colorectal CA

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13
Q

R sided CRC CA see? (4)

A

LESS obstruction w/ larger lumen

occult blood loss and melana

RARE change in bowel movements

Triad - anemia, Weakness and RLQ mass?

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14
Q

L sided CRC see?(3)

A

more obstruction

Change in bowel habits, pencil stools

hematochezia more common

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15
Q

Rectal CA has (3)

A

hematochezia
tenesmus
rectal mass

high rate of recurrence

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16
Q

Tx of CRC is?

A

surgery

adjuvant therapy depends on stage

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17
Q

tumor marker of CRC and pt of it

other tests and timelines (3)

A

CEA **

measure recurrence risk- gotten q3-6 months

Also get

  • stool guiac,
  • annual CT of ab/pelvis and CXRfor 5yrs,
  • Colonoscopy 1yr then q3
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18
Q

What Tx is NOT indicated for CRC?

A

radiation

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19
Q

Hyperplastic polyps

A

most common nonneoplastic polyps

no therapy needed, just removed,

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20
Q

PSeudopolyps seen in?

A

UC

inflammatory polyps

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21
Q

3 types of adenoma CRC

how does shape change things?

A

Tubular - most common (60-80%)
Tubovillous - intermediate risk
Villious - great risk

Sessile (flat) is bad vs pedunculated

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22
Q

most CRC polyps found in

A

rectosigmoid region

usually asymptomatic

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23
Q

Cause of diverticulosis

A

increased intraluminal pressure

  • bulges through weakness in colon wall (blood vessel)
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24
Q

Risk factors for diverticulosis (2)

A

low fiber diets

family history

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25
Most common location of diverticulosis?
sigmoid colon but can occur anywhere
26
Symptoms of diverticulosis (4)
Usually asymptomatic 20% -> Vague LLQ pain, bloating, constipation/Diarrhea
27
Dx of diverticulosis
usually incidental barium enema** Can be seen in colonoscopy
28
TX of diverticulosis(2)
High fiber foods | psyllium
29
Complications of diverticulosis (2)
``` Painless bleeding(40%) -insignificant, and stops on its own, ``` diverticulitis(15-25%) - impaction and erosion - fever, LLQ pain and leukocytosis and change in bowel movements
30
Recurrence rate of diverticulitis
30% Tx medically, usually w.in 5yrs Lower GI bleed > in diverticulosis
31
fever LLQ pain and leukocytosis?
diverticulitis
32
Complications of diverticulitis (4)
abcess colovesical fistula - 50% close spontaneously obstruction free colonic perforation ** - uncommon but BAD
33
Test for diverticulitis
CT scan Ab/pelvis w/ oral and IV contrast** Radiograph r/o other causes NOT - barium enema or colonoscopy due to perforation risk
34
Tx of diverticulitis
Uncomplicated - IV Abx, bowel rest. Surgery if symptoms for 3-4 days Abx 7-10days
35
Angiodysplasia of colon affects?
Pts>60 common cause of lower GI bleeding diagnosed by colonoscopy
36
Painless bleeding from colon
Angiodysplasia - >60 Diverticulosis Colorectal CA
37
4 types of acute mesenteric ischemia
Arterial embolism - 50%, cardiac origin - sudden Arterial thrombosis - 25% - Atherosclerotic Hx, maybe low flow (MI?) - more gradual, less severe Nonocclusive mesenteric ischemia -20% - splanchnic vasoconstriction 2/2 low CO, very old and very ill Venous thrombosis <10%- hypercoaguable states and portal HTN, several days or wks
38
Abdominal pain disproportionate to physical findings
ischemic pain and infarct of intestines
39
Test to get is acute mesenteric ischemia concerns
lactate level See AMS, fever, hypotension, tachycardia, anorexia, vomittin, Minimal GI bleeding
40
Test of choice for acute mesenteric ischemia
mesenteric angiogram plain films r/o other etiology thumbprinting on barium enema
41
Tx of acute mesenteric ischemia (2)
Support - IV fluids, broad septum Abx intra arterial infusion w/ papaverine (vasidialator) in superior mesenteric system heparin if venous, thrombolytucs? Surgery
42
atherosclerotic occlusive disease of colon -> Pain when?
chronic mesenteric ischemia - celiac, superir and inferior, Abdominal angina postprandial Weight loss, Get angiography
43
Ogilvie Syndrome is? Causes (4)
signs, symptoms and radiographic evidence of large bowel obstruction are present but NO mechanical obstruction surgery, trauma, serious med issues, Rxs
44
Ogilvie Syndrome Tx
gentle enemas or nasogastric suction, colonscopic decompression if fails
45
Risk of bowl rupture when larger than?
10cm diameter
46
Symptoms of C dif begin? 3 symptoms
duting 1st wk of ABx therapy but also up to 6 wks after Profuse watery diarrhea, (NO blood/mucus) Crampy ab pain toxic megacolon w/ perf risk
47
Dx of C dif includes (4)
toxins in stool (24hrs needed) Flex sigmoid - rapid and diagnostic but uncomfortable Ab radiograph r/o Leukocytosis common
48
Tx of C dif (3)
stop Abx Metronodazole drug of choice Oral vance if not 2-8 wks after stopping Abx risk recurrence Choestryamine for diarrhea?
49
Most common site of volvulus
Sigmoid colon, cecal all else
50
Risk factors for volvulus (4)
- chronic illness, age, institution, CNA disease - cecal is lack of congenital fixation, young puts - chronc constipation, lax abuse, antimotilty drug use - prior ab surgery
51
Dx of volvulus (3)
Xray Sigmoid- omega loop sign, bent inner tube cecal - coffebean sign, large air fluid level in RUQ Sigmoidscope - only sigmoid, -> Tx Barium enema - narrow colon at twist
52
Tx of volvulus (2)
Sigmoid - decompress via sigmoidscopy, recuurence is high-> elective sigmoid resection Cecal - surgery
53
Cirrosis leads to 2 major things
portal HTN-> acities, edema, splenomegalu, varicose veins(gastro.esophageal/hemroid) Heptocellular failure - biochem function fails
54
Gold standard for cirrosis
liver biopsy
55
Childs Classification of liver disease
A - no asicite, 3.5 alb B- controlled ascities, Bili: 2-2-5, Minimal encephalopathy, goo nutrition, Albumin: 3-3.5 C - Ascities uncont, >3 bili, severe enceph, poor nutrition, > 3 Alb
56
Most common cause of cirrhosis - Others?
alcohol!! Chronic Hep C and B next Drugs (tylenol, methotrex), autoimmune, PBC, SBC, metabolic disorders (wilsons, hemochromatosis), hepatic congestion, alpha1 antitrypsam, Nonalcolholic steatohepatitis
57
Classic Signs of chronic live disease (6+)
ascities, varices, palmar erythema/spider anginomas, gynectomastia/testicular atrophy, hemorroids, Caput medusa
58
Most concerning feature of Portal HTN
Bleeding - melana, hematemesis, hematochezia
59
TIPS procedure
Transjugular intrahepatic portal systemic shunt -> lowers portal pressure
60
Varices treatment
90% esophageal - IV abs prophylactically - octreotide upper GI endoscopy for diagnosis -> sclerotherapy or ligation -beta blockers for long term lowering of rebelling risk
61
Ascites management
Salt restriction and diuretics (furosemide + spironolactone) complicated by hypoalbunemia and hydrostatic pressure
62
Bleeding esophageal varices Rx(5)
``` variceal ligation/banding Endoscopic sclerotherapy IV vasopressin (rare) IV Octreotide ``` Also - TIPS, shunts, transplant
63
DDX of ascites (9)
``` Cirrosis- portal HTN CHF Chronic renal disease fluid overload TB peritonitis Malignancy Hypoalbuminemia Peripheral vasodialation Impaired liver inactivation ```
64
Paracentesis Test
Cell count, albumin, gram stain , culutre -Ro SBP
65
Serum ascities albumin gradient
>1.1 g/dL -> portal HTN <1.1 g/dL other causes considered (infection, malignancy)
66
Hepatic encphalopathe due to? symptoms
ammonia 50% of cirrhosis, Decreased mental function, confusion, poor concentration, stupor/coma ----asterixix, rigidity/hyperreflexia Fetro hepaticus(breath a musty odor)
67
Tx of hepatic encephalopathy
lactulose - > fomrs NH4 when digested by bacteria and not absorbed Neomycin kills bacteria so less ammonia made Limit protein intake to 30-40g/day
68
Hepatorenal syndrome is?
end stage liver disease 2/2 renal hypo perfusion from vasoconstriction diuretic use. functional failure azotmeia, oliguria, hyponatremia, hypotension low urine Na
69
Complications of liver failure - AC 9H
Ascites, Coaguopathy ``` Hypalbuniemia portal HTN hyperammonemia Hepatic encephalopathy Hepatorenal syndrome hypoglucemia hyperbilirubinemia hyperestrinism hepatocellular carcinoma ```
70
SBP due to(3)? Features?
E coli, klebsiella, strep pneumo Ab pain, fever, vomitin, rebound tenderness w/ ascitied
71
Dx of SBP confirmed by
paracenteisis WBC > 500, PMNs>250 + culture
72
deficency in ceruloplasm suspect?
Wilsons disease- Aout recessive copper binding protein necessary for Cu excretion
73
Signs of Wilsons disease(4)
liver disease, kayser Fleischner rings, CNS ( parkinsonian symptoms, chorea, cooling, incoordination w/ Cu in basal ganglia); depression, neuroses, personality changes Renal involvement - nephrocalcinosis
74
pencillamine used for
Tx of wilsons - chelating agent Also use Zinc - prevents Cu uptake
75
Hemochromatosis affects which organs (6)
``` liver ** pancreas heart joints skin thyroid, gonads, hypothalamus ``` increased Fe as ferritin and hemosiderin -> fibrosis w/ hydroxyl radicals
76
Early hemochromatosis may only see?
mild AST/ALT elivation get iron studoes
77
Complications of hemochromatosis (7)
``` Cirrosis-> hepatocellular carcinoma Cardiomyopathy-> CHF/arrythmia DM Arthritis (2nd- 3rd MCP, hips, knees) Hypogonadism hypothyroidism hyperpigmentism (Bronze) ```
78
Bronze DM
hyperpigmentism and FE in the pancreas hemochromatosis
79
Dx of hemochromatosi
Elv serum Fe and ferritin Elv iron saturation (transferrin sat) LOW total iron binding capacity (TIBC) liver biopsy**
80
Tx of hemochromatosis
phlebotomie
81
Young women w/ oral contreptive use and maybe anabolic steroids have increased risk of? Tx?
hepatocellular adenoma asymptomatic or maybe RUQ pain or fullness Low Malignant potential STOP oral contraceptive, Surgically resect >5cm
82
Most common type of benign liver tumor Dx how?
cavernous hemangioma- Vac tumor that is small asymptomatic Complications; rupture, obstructive jaundice, coagulopathy, CHF 2/2 AV shunt, gastric outlet NO biopsy -> bleed risk usually NO Tx
83
NO association w/ oral contraceptives and liver tumor in young women
focal nodular hyperplasia maybe see hepatomegaly - NO Tx
84
most common malignant liver CA (2)
hepatocellular CA(africa and Asia) and cholangiocarcinoma
85
Hepatocellular CA types and associations (2)
nonfibrolamella - (most common)- W/ Hep B or C - usually unresectable fibrolamella - NOT hep B/C, adolescents y. adults - more resectable,
86
Risks for hepatocellular CA
``` Cirrosis* Chemical carcinogen - aflatoxin, vinyl chloride, thorotrast AAt def hemochromatosis/Wilson schisto hepatic adenoma cigarette Glycogen Storage type I ```
87
Paraneoplastic signs of hepatocellular CA
erythrocytosis, thrombocytosis, hypercalcemia, carcinoid, hypoglycemia, high cholesterol
88
Cirrosis, palable liver mass and elv AFP
Hepatocellular CA
89
Tumor marker for hepatocellular CA USe
AFP can be a screener and measure response to therapy
90
Gilber's syndrome
7% of pop w/ Auto Dom decrease uridine disphosphate glucronyl transferase activity isolated elevation in unconjugated bilirubin
91
Hemobilia
blood draining into duodenum via common bile duct - source w/in tract -> melena etc Causes trauma*, papilary thyroid carcinoma, surgery, tumors, infection Arteriogram diagnostic
92
Polycystic liver cysts
Auto dom, associated w/ PCKD, Rarely leads to hepatic fibrosis and failure - no Tx, vague Ab pain
93
Hydatid liver cysts Cause? Occurs where? Tx:
tapeworm Echinococcus granulosus in the Right lobe -> asymptomatic cysts, may rupture -> fatal shock Surgery, mebendazole after
94
Liver abcess
billiary obstruction -> stasis and infection or Gi infection/ penetrating wounds - E coli, proetus, klebsiella DX w/ US or CT and elv LFTs Drain? and IV Abx
95
Where are liver accesses?
right lobe usually for bot amebic and pyrogenic
96
Homosexual men have an increase risk of what liver disease
amebic liver abscess - fecal oral - Entamoeba histolytica Fever, RUQm N/V, hepatomegaly, diarrhea
97
E histolytica Dx ? Tx?
Causes amebic liver abcess IgG testing, lets maybe, stool antigens not sensitive IV metronidazole, maybe therapeutic aspration
98
Budd Chiari is? Causes
occlusion of hepatic venous flow-> congestion and ischemia hypercoagulable states, myeloproliferative disorders(polycythemia), pregnancy, Chronic inflame disease, infection, CA, truama
99
Features of budd chiari? Dx?
hepatomegaly, ascites, ab pain, RUQ pain, jaundice, variceal bleedin ~cirrosis hepatic venograph SAAG >1.1g/dL
100
3 causes of jaundice(major)
hemolysis liver disease biliary obstruction
101
See dark urine in jaundice what type of high bilirubin is it?
Conjugated bilirubin uncongugated is not water soluble and bound to albumin in the spleen Pale stools
102
Causes on conjugated hyperbilirubinemia 2 categories
decreased intrahepatic excretion:hepatocellular disease, inherited (Dubin john sons, Rotors), Drug induced (OCP), PBC, PSC Extra hepatic - gallstones, carcinoma of pancreas, cholangiocarcinoma, periampular tumors, biliary atresia
103
Unconjugated hyperbilirubinemia causes? 2 categories
excess production - hemolytic anemia reduced uptake - Gilberts, Drugs (sulfonamides, penicillin, rifampin), Crigler Najjar syndrome I and II, physiologic, liver disease
104
Cholestasis see? (6)
-jaundice w/ gray stools dark urine -puritis (bile salt in skin) -elv alk phos elv cholesterol(not excreting) skinxanthomas **malabsorbtion of fats and vitamins
105
Normal LFTs w/ jaundice 2 categories
conjugated hyperbilirubinemia - dubin johnson - rotors uncongugated hyperbilirubinemia - DDx for hemolysis - gilberts*
106
ALT vs AST
ALT - in liver, more sensitive | AST in skeletal muscle, heart, kidney, brain
107
mildly elvated(100s) ALT and AST think
chronic viral hep or acute hep Alcoholic AST never > 500, ALT never >300
108
moderately elv (high 100s-thousands) Ast and Alt think
acute viral hepatitis
109
Severely elv (>10 000) AST + ALT think
hepatic necrosis (normal alk phos)-> ischemia + shock liver, Acetomenophen, severe viral
110
Elv LFTs (ABCs)
``` Autoimmune Hep B Hep C Drugs Ethanol Fatty liver Growths (tumors) Hemodynamic(CHF) Iron, Cu, AAT def ```
111
Alk Phos elv in ? very high- 10fold increase think?
obstruction to bile flow(pregnancy-placenta, bone disease) extrahepatic biliary tract obstruction or intrahepatic cholestasis(PBC etc.) Get a GGT to localize
112
stones in the gallbladder called? 3 types
cholelithiasis Cholesterol - obesity, DM, Crohns, age, NAmerican, cirrosis, CF Pigment - hemolysis ot alcoholic cirrohosis Mixed - majority of stones
113
Biliary colic def:
temp obstrcution -> of cystic duct Pain occurs as gallbladder contracts; RUQ or epigastrium; right after eating
114
Boas sign
- R sub scapular pain in biliary colic
115
obstruction of cyclic duct -> acute inflammation NOT infection is? Signs/symptoms
Cholecystitis RUQ pain or epigastrum, Radiate to R shoulder; N/V; anorexia; tender, murpheys sign (stop breath), low grade fever, leukocytosis
116
Dx of cholecystitis
US* -> thickened gallbladder, pericholecysic fluid, distension, stones CT as accurate but more sensitive to complications HIDA when US inconclusive, + HIDA scan mean stone NOT visualized
117
Acalculous Cholecystitis
10% of PTs w/ cholecystitis dehydration, ischemia, burns, severe trauma, post op still emergent cholescystectomy
118
Stone in common bile duct called? other features
Choledocholithiasis -> pancreatitis, biliary cirrhosis Can be asymptomatic if stone just chilling but life threatening if progressive
119
Choledocholithiasis Dx test
ERCP, US - NOT sensitive but should be F/u test tx and sphinterectomy
120
Infection of biliary tract 2/2 obstruction called?
Cholangitis Choledocolithiasis common cause, also pancreatic/biliary neoplasms
121
To do cholangitis (4)
blood cultures IV fluids IV Abx Decompress CBD when stable
122
Charcots triad in cholangitis Reynaulds pentad
RUQ pain jaundice Fever septic shock AMS
123
Definitive test in cholangitis
Cholangiography (PTC or ERCP) - done after stabilization US initial study
124
Porcelain gallbladder Def Importance
intramural calcification ppx cholescetomy recommended to risk of CA (50%)
125
Gallbladder CA -
dismal prognosis adenocarcinomas in old people risks - gallstones, cholecystoenteric fistula, porcelin gallbladder
126
Primary Sclerosing cholangitis def Associated w?
ERCP and intrahepatic +/- extra hepatic disease of bile ducts -> thickening and narrowing -> cirrhosis, oral HTN and liver failure UC
127
Dx of PSC? See?
ERCP and PTC - multiple bead like stricturing and dilation Cholestatic LFTs w. jaundice, prutuitis, fatigue, malaise
128
TX of PSC
none other than transplant, cholestyramine for symptomatic relief (puritis)
129
Primary biliary sclerosis def?
Autoimmune disease -> destruction of intrahepatic bile ducts w/ inflammation and scarring progressive disease w// variable course Middle age women
130
Symptoms of PBC?
fatigue, puritis(early), jaundice(late), RUQ discomfort, xanthomata xanthelsmata, osteoporosis, portal HTN
131
PBC serum marker
Antimitochondiral antibody (AMA) Also cholestatic LFTs w/ alk phos elv cholesterol and IgM Biopsyy confirms
132
Ursodeoxycholic acid used to?
slow down progression of PBC
133
Klatskins Tumor is?
Tumors in proximal third of CBD -> junction of R and L hepatic duct Poor prognosis - unresectble
134
Cholangiocarcinomas affects who? Risks?
Tumors in bile ducts - most adenocarcinomas 70s PSC**, UC, Choledochal cysts, Clonorchis sinensis(Hong kong) Weight loss, dark urine, clay colored stools, puritis
135
Choledochal Cysts Symptoms/ Test?
systic deletions of biliary tree W>M 4:1 epigastric pain, jaundice, fever, RUQ mass US, ERCP for definitive
136
Bilairy dyskinesia Hormone dysfunction?
dysfunction of sphincter of do -> colic w/o stones Diagnose w/ HIDA, CCK hormone that relaxes and contracts gull bladder
137
signs of appendices rupture
high fever, tachycardia, marked leukocytosis, peritoneal signs, toxic
138
Symptoms(3)/Signs(6) of appendicitis
Epigastric pain, moves to umbilicus anorexia-always N/V Tender RLQ-McBurneys Pt Rebound tenderness low fever Rovings sign (deep LLQ pain -> RLQ) Psoas sign (RLQ pain w/ extension of R thiagh) Obturator sign- (RLQ pain w/ flexed R thigh is internally rotated)
139
Dx of appendicitis is?
Clinical labs support, imaging helpful in uncertainty - CT lowers false +, US less sensitive
140
Carcinoid syndrome Symptoms
Excess serotonin secretion w/ carcinoid tumor=> Cutaneous flushing, diarrhea, sweating, wheezing, ab pain, Heart valve dysfunction)
141
Origination of carcinoid tumors
neuroendocrine cells - commonly in the appendix but also small bowel, rectum, broncus, kidney -> carcinoid syndrom 10%
142
2 types of esophageal CA and risks and locations
Squamous Cell (Most) - African americans, - upper-> mid thoracic - Risk: alcohol, tobacco, nitrosamine, hot beverages, HOVm plummer vinson syndrome, caustic ingestion Adenocarcinoma up 50% now (White Men 5:1) - distal third - Risk: GERD and barrets
143
Barretts esophagus
columnar metaplasia -> squamous epithelium in reflux disease
144
Barretts esophagus
columnar metaplasia -> squamous epithelium in reflux disease
145
Features of esophageal CA?
Dysphagia* progression, weight loss, Anorexia, Odynophagia, (late) hematemesis, aspiration pneumonia, tracheal esophageal fistula, Chest pain
146
Diagnosis of esophageal CA TES
EGD Barium useful initially Full METS w/up after - CT CXR, bone scan
147
Tx of esophageal CA
Chemo + radiation before surgery prolongs life
148
2 types of acute pancreatitis and Tx
Mild acute- common an supportive TX Severe acute/necrotizing - morbidity/mortality
149
Causes of acute pancreatitis (12), 2 most common
1. alcholol (40%) 2. Gallstones (40%) post ercp, viral (mumps, coxsackie), drugs *sulfonamides, thiazides, furosemide), Post op, scorpian sites, Hypertriglyceridemia, Uremia, blunt abdominal trauma (Kids)
150
Steady dull severe abdominal pain (epigastric) worse when supine and after meals - radiates to back? Signs?3
pancreatitis low grade fever, tachy, hypotensics, leukocytosis, epic tendereness, decreased/absent bowel sounds, Grey turners (flank echymoses) Cullens (periumbilical ecchymoses) fox ( inguinal ligament echymosis)
151
Tests for pancreatis(3) Imaging?
serum amylase most common but nonspecific lipase - level does not predict severity LFTs, tryglycerides, Calcium (saponification) Ab US helpful but CT mot accurate(severe). ERCP if gallstones. Radiograph r/o
152
Hypocalcemia and epigastric pain?
saponification of Ca 2/2 pancreatitis
153
Ransons criteria for pancratits GA LAW - admin C HOBBS - 48 hrs
``` Glucose >200 Age >55 LDH >350 AST >250 WBC >16000 ``` Hematocrit >10% paO28 Base def >4 fluid Sequestion > 6L 7 100%
154
Complications of pancreatitis(7)
sterile/infected necrosis -debride/ Abx if infected pseudocyst (2-3wks after, lacks epithelial lining) - rupture risk/infection, 5 cm drain Hemorragic - cullens, grey or fox sign ARDS Ascities/pleural effusion Ascedning Cholangitis Abcess- rare
155
Tx for acute pancreatitis (4)
Bowel rest IV fluids pain control NG ube for severe N?V Severe-> ICU - Entral nutrition through NJ tube w/in 72hrs (Ransons 3-4)
156
Causes of Chronic pancreatis
Alcoholis * | hereditary, tropical, idiopathuc
157
Chronic epigastrium pain w/ calcfications on abdominal X-ray think? triad of symptoms
chronic pancreatitis steatorrhea, DM, Calcifications
158
Imaging for chronic pancreatitis
CT Xray found 30%, ECRP gold standard but invasive
159
TX of chronic pancreatitis
non op management- narcotics, NPO, pancreatic(block CCK release) and H2(less gastric acid) enzyme blockers; insulin, abstinence Surgery - pancreaticojejunostomy or resection - Whipple
160
Pancreatic CA risks (~6)
rare before 40, african americans, cigarette smoking, Chronic pancreatitis, DM, alcohol, chemical (benzidine naphthythlamine) Usually in head of pancreas
161
Signs of pancreatic CA
vague: ab pain, jaundice rarely, weight loss, depression, glucose intolerance, migratory thrombophlebitis
162
Tumor markers for Pancreatic CA
CA 19-9 | CEA
163
Lower GI bleed in pts >40 is
Colon CA until otherwise
164
Upper GI bleed therapy
80% spontaneous stop on own, supportive
165
Upper GI bleeding DDx (10)
PUD; reflux esophagitis, gastric varices, gastric erosions, mallory weiss tear, hemobilia, dieulafoy's vascular malformation (submucosal dialted arterial lesion); aortoenteric fistula; neoplasm
166
Lower GI bleeds (8)
diverticulosis(40%), | angiodysplasia (40%), IBD (UC>Crohns), colorectal CA, ischemic cholitis, hemorroids, smill intestinal bleed
167
coffee ground emesis means
upper GI bleed as well as lower rate of bleed
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Melana like stools other than blood
bisthmuth, Fe, spinach, charcoal licorice suggest upper GI 90%
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Achalasia Causes?
aquired motor disorder of esophageal smooth muscle in LES idiopathic, Chagas worldwide
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Features of Achalasia(6)
Dysphagea - difficulty w/ both solids and liquids Regurgitation Chest pain weight loss pulm problems w/ aspiration
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Dx of achalasia? TX?
barium swallow, upper endoscope to r/o 2ry causes, manometry Antimuscarinics ?? sublingual nitro? botulinum? heller myotomy
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Diffuse esophageal spasm
nonperistaltic spontaneous contraction of esophageal body, sphincter (LES) is normal noncardiac chest pain, regurgitation is UNCOMMON, but has dysphagia
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Dx of esophageal spasm
manometry, upper GI barium -> corkscrews No Tx- nitrates? CCB?
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Esophageal hiatal hernia - 2 types
Type 1 sliding - 90%- treated medically (antacids, small meals, elv of head) type 2 paraesophageal - 10%, enlarge w/ time -> thorax - treated surgically nissen
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Mallory weiss syndrome If trans mural?
mucosal tear ~ gastroesophageal junction 2/2 forceful committing binge drinking and other causes Get EGD Boerhaave's disease
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Plummer Vinson syndrome - (3)
upper esophageal webs 1. dysphagia, 2. Fe def anemia, (koilnchia) 3. atrophic oral mucosa SCC of oral cavity TxL esophageal dialation, nutrition
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Schatzki's rings
Distal esophageal web w/ sliding hiatal hernia asymptomatic usually, Caused by alkali acid, bleach or detergent ingestion Tx - esophectomy
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Esophageal diverticula usually caused by?
underlying motility disorder Zenkers most common
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dysphagia, regurg, halitosis, wight loss and cough >50 3 types
zenkers diverticula (upper 1/3) Reaction diverticula (midpoint - TB?) epiphrenic diverticula (lower 1/3- spastic dysmotility and achalasia
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mediastinum feels crunchy with CXR showing air Hx of bulemia
Boerhaave's Syndrome sontrast esophagram definitve (gastrogafin - soluble) Medical mgmt if small, Large -> surgery in 24hrs
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PUD causes(3+)
H Pyloris NSAIDs Zollinger ellison Smoking, alcohol/coffee
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Duodenal ulcer
eating relieves the pain w/ nocturnal pain more common later on low malignancy - still get a biopsy
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gastric ulcer
eating worsens the pain, higher complications migher malignancy potenial
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acute gastritis causes?
inflammation of gastric mucosa NSAIDs/ASA, h pylori, alcohol, cigarrettes, caffeine, physiologic stress Chronically -> h pylori
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metastases of gastric CA? kuckenbergs Blumers shelf Sister may joseph node Irish node
- ovary - rectum - periumbilical lymph node - L axillary adenopathy
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Risk factors for gastric CA
atropic gastritis,intestinal metaplasia adenomatous gastric polyps H pylory (-6x) postantrectomy pernicious anemia menetrier's disease preserved foods(Nitriates/nitires)
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Key event in Small bowel obstruction
dehydration | -distension -> vomitins and intestinal secretions -> hypochoremia, hypokalemia, metabolic alkalosis
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causes of small small bowel obstruction (3)
adhesions, incarcerated hernias, Malignancy, intrusseption, crohns, carcinomatois
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Dx of Small bowel obstruction
Abdominal plan films w/ air fluid levels barium enema to r/o colonic obstruction?
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Tx of small bowel obstruction
incomplete (no fever, tachy, peritoneal signs, leukocytosis)- nonoperative -> IV fluids and K NG tube decompress Surgery if complete w/ lysis adhesions and resection of necrotic bowle
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Flattening of the villi -> malabsorbtion
celiac sprue weight loss, ab dissection, bloating diarrhea
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Transmural inflame disease that can affect any part of GI
Crohns terminal ileum hallmark location Skip lesions, fistulae, luminal strictures, noncaseating ganuloms, trasnmural thickening, mesenteric "fat creeping)
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most common extra intestinal sign of IBD?
arthtitis migratory polyarthritis ankylosing spondylitis in UC
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Skin lesions in Crohns and UC
UC - pyroderma gangreosusm Crohns - erythema nodusim
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Sclerosing cholongitis in what IBD
UC
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Dx of Crohns?
endoscopy - w/ biopsy -> alphous ulcers, cobblestone appearance and pseudo polyps patchy lesions Baroum enema
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Fistulase in what IBD? also risk of what complication leading to surgery Decreased absorption of?
crohns SBO (20-30%) B12
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Toxic megacolon more common in
UC>Crohns
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Tx of Crohns (6)
Sulfasalazine - if colon involves(melamine released -5ASA) Metronidazole if no 5ASA Prednisone for acute exacerbations Immune suppression - azathioprine and 6 mercaptopurine Bile acid sequestants w/ terminal ill disease Antidiarrheal? Surgeryif high recurrence
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Continuous mucusa/submucosal lesion confined to colon and rectum
UC colectomy may be curative CA more common
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no skip lesions and rectum always involved PMNs accululate in crypts called?
UC Crypt abcesses
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Symptoms of UC
hematochezia and ab pain diarrhea, fever, anorexia, weight loss, jaundice, uveitis, skin lesions
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Tx of UC
Systemic corticosteriods for acute exacerbations Sulfasalazine as suppository- mainstay Surgery curative