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What is Middle-aged diabetic women with tooth extraction had ipsilateral swelling over middle one-third of sternocleidomastoid and displacement of tonsils towards contralateral side. Diagnosis is and explain in detail?
The most common aetiology of parapharyngeal abscess in an adult is tooth extraction. The infection produces a triad of symptoms such as prolapse of tonsil and tonsillar fossa, trismus, and external swelling behind the angle of the jaw. Retropharyngeal abscess is commonly seen in children below 3 years. In Ludwig's angina, the floor of the mouth is involved. (Ref: Diseases of ENT, PL Dhingra, 7th edition, pg no. 301)