Which condition involves the inflammation of the tonsils?

The condition that involves the inflammation of the tonsils is tonsillitis. This condition is typically characterized by the swelling and redness of the tonsils, often accompanied by symptoms such as a sore throat, difficulty swallowing, and fever. Tonsillitis can be caused by viral or bacterial infections, leading to the inflammation of the lymphatic tissue in the throat that helps fight infection.

The other conditions listed do not pertain to the tonsils. Bronchitis relates to the inflammation of the bronchial tubes in the lungs, empyema refers to the accumulation of pus in the pleural cavity, and laryngitis involves inflammation of the larynx or voice box. Each of these conditions affects different areas of the respiratory system, underscoring the specificity of tonsillitis to the tonsils in the throat.