Thyroid Development and Anomalies
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Questions and Answers

Which structure arises from the floor of the primitive pharynx and descends into the neck?

  • Thyroid diverticulum (correct)
  • Parafollicular cells
  • Thyroglossal duct
  • Foramen cecum
  • What is the normal remnant of the thyroglossal duct?

  • Foramen cecum (correct)
  • Thyroglossal duct cyst
  • Parafollicular cells
  • Thyroid diverticulum
  • Which is the most common ectopic site for thyroid tissue?

  • Pyramidal lobe of thyroid
  • Lingual thyroid (correct)
  • Thyroglossal duct cyst
  • Thyroid diverticulum
  • What is the consequence of removing lingual thyroid tissue if it is the only thyroid tissue?

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

    What is the origin of parafollicular cells?

    <p>4th pharyngeal pouch</p> Signup and view all the answers

    What is the most common presentation of a thyroglossal duct cyst?

    <p>An anterior midline neck mass that moves with swallowing or protrusion of the tongue</p> Signup and view all the answers

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