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Condition Info
ConditionName
Gastrinoma (Zollinger-Ellison Syndrome)
ConditionDescription
Refractory PUD
Symptoms
Abdominal pain; Nausea; Vomiting; Diarrhea; Anemia; Heme-positive stools; Steatorrhea; Indigestion; Heartburn Bloating; Weight loss; Poor appetite;
PhysicalFindings
ClinicalTests
Serum gastrin; CT, scintigraphy, or positron emission tomography (PET) to localize;
RiskFactors
have a blood relative with MEN 1
IsRedFlag
IsNPLEX
Consequence
Five- and 10-year survival are > 90% when an isolated tumor is removed surgically vs 43% at 5 years and 25% at 10 years with incomplete removal.
ProgressionFromCondition
TreatmentOptions
Endoscopy; Large ulcers >1cm; Multiple; Past 3ed portion of duodenum; Provocation test: Found high gastrin even after PPI/H2 therapy (fasting); High gastrin after injecting secretin – most accurate; CT or MRI; Surgery;
PharmOptions
Life time PPI or H2 antagonist
WebLink
https://www.merckmanuals.com/en-ca/professional/gastrointestinal-disorders/tumors-of-the-gastrointestinal-tract/gastrinoma
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