Tonsillitis and Peritonsillar Abscess

A 35-year-old man with a history of recurrent acute tonsillitis (4 episodes in the past 18 months) presents with fever, sore throat, and dysphagia. On examination, he has bilateral tonsillar enlargement with purulent exudate, cervical lymphadenopathy, and a white cell count of 13,200/μL. Rapid antigen detection test (RADT) for Group A Streptococcus is positive. He is treated with amoxicillin-clavulanate and makes a full recovery within 5 days. Which of the following is the most appropriate next step in management?

A 28-year-old woman presents to the emergency department with severe sore throat, odynophagia, and fever (39.5°C) for 3 days. On examination, she has unilateral tonsillar enlargement with exudate, uvula deviation to the left, trismus, and a 'hot potato' voice. Intraoral palpation reveals a bulge in the soft palate above the tonsil. Her white cell count is 14,500/μL. What is the most likely diagnosis?

A 28-year-old man presents with severe sore throat, dysphagia, fever (39.5°C), and trismus for 3 days. Intraoral examination reveals unilateral bulging of the soft palate with deviation of the uvula to the opposite side. The tonsil appears enlarged and erythematous. Which investigation is most appropriate to confirm the diagnosis of peritonsillar abscess and guide drainage?

Which anatomical space is involved when a peritonsillar abscess develops between the tonsillar capsule and the superior pharyngeal constrictor muscle?

A 28-year-old man from Delhi presents with severe left-sided throat pain, dysphagia, and fever (39.2°C) for 4 days. On examination, the left tonsil is enlarged, erythematous, and displaced medially. The soft palate is pushed downward and medially. Intraoral palpation reveals a bulge in the left lateral pharyngeal wall. What is the most appropriate next step in management?