A 3-year-old child presents with a painless swelling in the anterior triangle of the neck along the anterior border of the sternocleidomastoid muscle. On examination, the swelling moves upward with swallowing and tongue protrusion. Which is the most common embryological origin of this lesion?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.