Mastoiditis Anatomy

Swelling of the area behind the ear. Necrosis of bone by loss of vascularity of the septa.

Ear And Mastoid Disorders In Infants And Children

The mastoid bone which is full of these air cells is part of the temporal bone of the skull.

Mastoiditis anatomy. The splenius capitis muscle extends rotates and laterally flexes the head. Mastoiditis acute and chronic is a bacterial infection of the mastoid cells in the mastoid bone which is located just behind the ear. Symptoms of acute mastoiditis include.

The mastoid process anatomy comprises complex structures. Mastoiditis is a bacterial infection of the mastoid air cells surrounding the inner and middle ear. Mastoid process bone behind the ear.

Medial to this is a shallow furrow the occipital groove which lodges the occipital artery. On the medial side of the process is a deep groove the mastoid notch for the attachment of the digastric muscle. Transudation and exudation of fluid andor pus within the cells.

Hyperemia of the mucosal lining of the mastoid air cells. The mastoid process bone itself is in the shape of a pyramid that projects behind the temporal bone. Mastoiditis progresses in the following 5 stages and may be arrested at any point see presentation and workup.

Pain in or behind the ear. It is located behind the ear and is known as the c1 bone of the spinal vertebral level. The sternocleidomastoid muscle rotates the head to the contralateral side.

The mastoid process itself the pointed projection gives rise to. Mastoiditis can become serious if the infection spreads outside the mastoid bone. The mastoid process serves for the attachment of the sternocleidomastoid the posterior belly of the digastric muscle splenius capitis and longissimus capitis.

The mastoid air cells are thought to protect the delicate structures of the ear regulate ear pressure and possibly protect the temporal bone during trauma.

Mastoiditis Springerlink