<prompt> Bezold abscess is located inSubmandibular regionSternocleidomastioid muscleDigastric triangleInfratemporal region  <response>: Bezold abscess: It can occur following acute coalescent mastoiditis when pus breaks through the thin medial side of the tip of the mastoid and presents as a swelling in the upper pa of the neck. The abscess may i Lie deep to sternocleidomastoid pushing the muscle outwards. ii Follows the posterior belly of digastric and present as swelling between the tip of the mastoid and angle o the jaw, iii Present in the upper pa of the posterior triangle, iv Reaches the parapharyngeal space or v Tracks down along the carotid vessels. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 87 