Stomach

• what Rf is used in gastric emptying scintigraphy?

  • 99mTc nanocol + food
  • 111-Indium + 99mTc + food
• what is the principle of gastric emptying scintigraphy?

  radionuclide labeled food is processed and emptied from the stomach
• indications for gastric emptying scintigraphy?

  • Dyspeptic syndromes
  • Diabetic gastroparesis (diabetes instability)
  • Gastro-esophageal reflux with dyspeptic syndrome
  • Complications of gastric surgery including dyspepsia
  • Diagnosis and monitoring of Dumping syndrome
  • Objectification of digestive tract motor impairment in some systemic diseases (scleroderma)
  • GE disorders observed in irritable bowel syndromes, chronic liver disease (ex. alcoholic cirrhosis, hypertension, obesity, dyslipidemia)
• patient prep for gastric emptying scintigraphy?

  • fasting for 12 hours before exam
  • no drug taking
• gastric emptying scintigraphy procedure

  • Eat the radiopharmaceutical meal (Scrambled eggs from one egg with 99m-Tc-Nanocol (40-50 MBq) + 150 ml of water + two slices of toasted bread)
  • Supine position and dynamic imaging for 60-120min (1min/image)
  • At the end, sequential images are taken (2min images every 30min)
• What type of breakfast is given for gastric emptying and motility test?

  STANDARD BREAKFAST: Scrambled eggs from one egg with 99mTc-nanocol (60-70 grams, 40-50 MBq) + slices of toasted bread (50g) thinly coated with 5 g of butter + 150 ml of water.