Surgical Anatomy of the Ear – Oto Surgery Atlas

Surgical Anatomy of the EarTori Lewis Fibonacci Web Studio2020-08-19T21:06:52-07:00

Coronal perspective of the anatomy of the ear which is the illustration used on the cover of this Atlas.

Overview of Temporal Bone

Anatomy of the pinna (auricle).

External Ear

Anatomy of the middle and inner ear.

Middle Ear & Mastoid

Anatomy of the Eustachian tube.

Eustachian Tube

Cochlea in mid-modiolar section.

Auditory System

The three semicircular canals, which sense angular accelerations in the three dimensions, are mutually perpendicular.

Vestibular System

Anatomy of the nerves traversing the internal auditory canal as seen from a retrosigmoid craniotomy perspective. Note the 90-degree rotation of the vestibular and cochlear nerve components of the eighth nerve between inner ear and brainstem entry. C, cochlear nerve; CN, cochlear nerve; IV, inferior vestibular nerve; VN, vestibular nerve; SV, superior vestibular nerve; 7, facial nerve.

Internal Auditory Canal and Cerebellopontine Angle

An early squamous cell carcinoma of the ear canal involving the anterior and inferior aspects of the canal. The lesion is still superficial.

Ear Tumor Anatomy