Embryology USMLE Step 1 Practice Question
A 6-year-old male is brought to the office for evaluation of a neck mass. His mother reports that he first developed the mass 3 days ago, and it has not resolved. Further questioning reveals that he has recently recovered from a viral upper respiratory infection. He is otherwise healthy and is up to date on all recommended vaccinations. Physical examination shows a 2-cm neck mass in the midline immediately above the thyroid cartilage notch. The mass elevates when he sticks his tongue out of his mouth. Which of the following is the most likely diagnosis?
Answer choices
- AHead and neck neoplasm
- BBranchial cleft cyst
- CThyroglossal duct cystCorrect answer
- DThyroid nodule
- EReactive lymph node
- FLingual thyroid
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