Temporal Normal Computed Tomography /Histology Correlation

Otopathology Laboratory Department of Radiology Massachusetts Eye and

Eric F. Curtin Barbara J. Burgess Dianne D. Jones Jennifer T. O’Malley Hugh D. Curtin MD

Otopathologylaboratory.org

Malleus

Lateral canal Axial CT

Red Arrow -Facial nerve VII Attic

IAC

Vest LSCC Red Arrow -Facial nerve VII M I

M- I-Incus Vest Cochlea S- VII S Interscalar septum

M M- Interscalar septum

M M-Modiolus Anterior Cog Cochleariform process

Cochlea Facial recess S-Stapes

Pyramidal process S Sinus Tympani ME

ME- RW- Cochlea

RW Stapedius M Carotid TMJ plate

Jugular plate

Coronal CT

FN 2 FN 1 Cochlea

Carotid Malleus

Tegmen Incus FN 2

Oval window

Scutum Lateral Semicircular Canal

Pyramidal process Round Window Jugular

Facial Nerve Key image lateral canal facial nerve oval window .. Poschl CT Carotid Tensor tympani

Eustachian tube VII1 IAC

Basilar turn cochlea

Apical turn cochlea Turn 2 cochlea VII1 VII2

Tensor tympani VII2 Jugular vein

Tensor tympani Jugular vein

Cochleariform process Superior SCC

M

M-malleus VII2 Oval W Round W Lateral canal

Common crus

TMJ Lateral SCC

VII2

I S

I –Incus S- Stapes Tegmen

Vestibular aqueduct

VII2 VII3

EAC Stenvers CT SSCC

VII1

Carotid VII1 is separated from nerve to lateral canal by Bill’s bar Canal for nerve to lateral SCC

VII VII1

Basilar turn cochlea LSCC SSCC

VII3

Round window

Styloid process Vestibule

VII3 PSCC Common Crus

IAC Axial CT Histology correlation

Utricle

Lateral Semicircular Canal

Vestibule Vestibule

Saccule

Utricle Vestibule

Saccule

Utricle Vestibule

Saccule

Utricle

Anterior Crus of the Stapes

Carotid

Tympanic Carotid plate membrane Middle Ear

Jugular

Jugular plate Coronal CT Histology correlation

Saccule

Otopathology Laboratory Department of Radiology Massachusetts Eye and Ear

Otopathologylaboratory.org

Eric F. Curtin Barbara J. Burgess Dianne D. Jones Jennifer T. O’Malley Hugh D. Curtin MD