You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Abscess related to sternocleidomastoid is and explain in detail?
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 neck. The abscess may (i) lie deep to sternocleidomastoid, pushing the muscle outwards, (ii) follow the posterior belly of digastric and present as a swelling between the tip of mastoid and angle of jaw, (iii) be present in upper pa of posterior triangle, (iv) reach the parapharyngeal space or (v) track down along the carotid vessels Ref: https://en.m.wikipedia.org/wiki/Bezold%27s_abscess