Bezold's abscess is located deep to:
Bezold's abscess is an abscess deep to the sternocleidomastoid muscle where pus from mastoiditis erodes through the coex of the mastoid pa of the temporal bone, medial to the attachment of sternocleidomastoid, extends into the infratemporal fossa, and deep to the investing layer of the deep cervical fascia.
Infratemporal region
Submandibular region
Sternomastoid muscle
Diagastric triangle