Hemorrhoids and Fistula in Ano: Clinical Considerations Quiz
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Questions and Answers

When is resection indicated for hemorrhoids?

  • For all symptoms
  • For preventive measures
  • Only for refractory symptoms (correct)
  • For mild symptoms
  • What is the role of hemorrhoids in the body?

  • Assisting in respiration
  • Maintaining continence (correct)
  • Aiding in digestion
  • Supporting the immune system
  • Where do up to 25% of neuroendocrine tumors occur?

  • Liver
  • Rectum (correct)
  • Pancreas
  • Stomach
  • What factor determines the sensitivity of GISTs (gastrointestinal stromal tumors) to tyrosine kinase inhibitors (TKIs)?

    <p>Expression of CD117 (KIT)</p> Signup and view all the answers

    What are the common features of well-differentiated neuroendocrine tumors (carcinoid tumors) when identified on colonoscopy?

    <p>Small size</p> Signup and view all the answers

    What are the clinical manifestations of larger GISTs (gastrointestinal stromal tumors)?

    <p>Bleeding, obstruction, or abdominal pain</p> Signup and view all the answers

    What is the treatment of choice for tumors occurring in the retrorectal space?

    <p>Surgical resection with microscopically negative margins</p> Signup and view all the answers

    Which type of lesions constitute the majority of congenital lesions in the retrorectal space?

    <p>Developmental cysts</p> Signup and view all the answers

    What is the most common malignant tumor in the retrorectal space?

    <p>Chordomas</p> Signup and view all the answers

    Which type of lesion often contains tissue from each germ cell layer and may have both cystic and solid components?

    <p>Teratomas</p> Signup and view all the answers

    What is the pathognomonic radiographic appearance of anterior meningocele and myelomeningocele?

    <p>Scimitar sign</p> Signup and view all the answers

    Which type of lesions are more likely to be malignant than cystic lesions in the retrorectal space?

    <p>Solid lesions</p> Signup and view all the answers

    For which condition is surgical resection (local excision or radical resection) with microscopically negative margins the preferred treatment?

    <p>Retrorectal tumors</p> Signup and view all the answers

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