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NBME 16 Answers

nbme16/Block 4/Question#24

A 35-year-old man comes to the physician because of ...

Gastrin

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submitted by zincy7(1),
  • Burning Abdominal Pain hours after eating = Gastric ulcer
  • Black stools for 2 days = ???
  • Refractory to OTC Antacids and H2 Blockers
  • Sweating and Low BP
  • Pancreatic Mass = most likely GASTRINOMA
LOGIC

Immunohistochemical labeling uses antibodies as markers for what they want to find. In this case, we're suspecting gastrin given the symptoms

Note: You should revise the function, stimulation, and site of release for each of the hormones mentioned as well

REFERENCE: Zollinger-Ellison Syndrome