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Clinical case :راجل عنده 62 سنة، جاي يشتكي من: صعوبة بلع بقالها 4 شهور (dysphagia) الأول كان بيحصل مع الأكل الصلب وبعدين بقى حتى السوائل فقدان وزن ملحوظ إحساس إن الأكل “واقف” في الصدر
التاريخ المرضي:مدخن شره بيشرب كحول بشكل مزمن
الفحص:مفيش علامات واضحة في البطن عامةً cachectic ايه التشخيص المحتمل هنا ؟ وايه ال investigation اللي بنعمله عشان نتأكد ؟
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A 45-year-old man has recurrent peptic ulcers despite proton pump inhibitor therapy. Serum gastrin levels are markedly elevated.
Which tumor is most likely responsible for this condition?
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A patient with gastrinoma is treated medically to reduce acid secretion before surgery.
Which medication is most appropriate?
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A patient with Zollinger-Ellison syndrome has ulcers extending beyond the first part of the duodenum.
Which feature most strongly suggests this diagnosis over typical peptic ulcer disease?
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A patient with recurrent ulcers is diagnosed with gastrinoma.
Which additional condition is most strongly associated with this syndrome?
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A patient with Zollinger-Ellison syndrome has severe gastric acid hypersecretion.
Which gastric cell type is directly stimulated by gastrin?
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A patient with MEN1 develops recurrent peptic ulcers and elevated gastrin levels.
Which organ is most likely to contain the primary tumor?
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A patient with Zollinger-Ellison syndrome has chronic diarrhea and steatorrhea.
Which mechanism contributes to these symptoms?
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A patient with gastrinoma undergoes secretin stimulation testing. Gastrin levels paradoxically increase after administration.
This finding is most consistent with which diagnosis?
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A patient with refractory peptic ulcer disease is suspected to have Zollinger-Ellison syndrome.
Which laboratory finding is most likely present?
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A patient with Zollinger-Ellison syndrome develops multiple ulcers in the duodenum and jejunum.
Which mechanism best explains these findings?
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A 59-year-old man with gastric carcinoma develops recurrent migratory thrombophlebitis.
Which mechanism is MOST responsible?
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A patient with gastric carcinoma develops a left supraclavicular node. Why is this node commonly involved?
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A man with gastric carcinoma develops enlarged ovaries.
Which route MOST likely caused this metastasis?
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A patient with gastric adenocarcinoma has severe weight loss despite adequate intake.
The MOST likely explanation is:
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A gastric carcinoma invades through the stomach wall and seeds the rectovesical pouch.
Rectal exam may reveal:
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A patient has diffuse gastric wall thickening with signet-ring cells but no obvious mass lesion.
Why is this tumor often diagnosed late?
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Bilateral ovarian metastases containing signet-ring cells are termed:
