Specimens of molluscum contagiosum developed in the external auditory meatus
. Lond Med Gazzette 1850: 46: 811.
Staging proposal for external auditory meatus
carcinoma based on preoperative clinical examination and computed tomography findings.
In contrast to this selection of points in the interior of the skull, the Frankfort horizontal plane was drawn from the porion present at superior contour of external auditory meatus
to orbitale point positoned at lower margin of orbitale.4 Because both porion and orbitale are located in the external boder of the bony framework of the face.
Penetrating injury through the external auditory meatus
and barotrauma are other frequent causes.
It lies obliquely at the medial end of external auditory meatus
forming major part of lateral wall of middle ear cavity.
CT-scan revealed extension to the lower wall of the external auditory meatus
and the upper extremity of sternocleidomastoid muscle.
This is a versatile route for tumours of any size, although it can be difficult to reach the outer end of the internal auditory meatus
Children with malformation in the external auditory meatus
, with neurological alteration and / or genetic syndrome, as well as those with sensorineural or mixed hearing loss were excluded.
In addition to the mentioned pathology, there was a 10 x 4 mm enhancing lesion in the internal auditory meatus
involving the 7th-8th nerve complex most likely acoustic neuroma, and there was no extension to the cerebellopontine angle (Figure 2(b)).
The internal auditory meatus
(IAM) was identified on axial CISS sequence using the AGFA IMPAX Image Viewing Software.
The nervus intermedius enters the internal auditory meatus
immediately after leaving the brainstem and travels with the facial nerve through the facial canal (Figure 1).
There was a mass located at the entrance of the internal auditory meatus
at the root of the left facial nerve.