What is Bezold abscess is located in - and explain in detail?
Ans. is 'b' i.e., Sternocleidomastoid muscle Abscesses related to mastoid infectiono Acute mastoiditis can be complicated by following abscesses : -Postauricular abscess : - This is the commonest subperiosteal abscess associated with acute mastoiditis, It occurs lateral to the cortex of mastoid in MacEwren's triangle.Bezold abscess : - Pus passes through mastoid tip and presents as upper neck swelling. The abscess mayLies deep to sternocleidomastoidFollow the posterior belly of diagastric and presents swelling between mastoid tip and angle of jaw.Be present in posterior triangleReach the parapharyngeal pouchTrack down along the carotid vessels.Zygomatic abscess Infection of zygomatic air cells.Meatal (Luc's) abscess Pus passes between the antrum and external osseous meatus.Citelli's abscess Abscess is formed behind the mastoid more towards occipital bone. Some consider it as abscess of diagastric triangle.6) Parapharyngeal and retropharyngeal abscess.