12th May 2024

A 4-year-old boy is brought to the emergency department with a sudden onset of high fever, difficulty breathing, and a muffled voice.

A 4-year-old boy is brought to the emergency department with a sudden onset of high fever, difficulty breathing, and a muffled voice. He appears anxious, is drooling, and prefers to sit upright. His mother mentions he has not been vaccinated according to the standard schedule. Physical examination reveals a red, swollen throat without tonsillar exudates, and the child is resistive to lying down.

Which anatomical structure is most likely to be affected in this condition?