|
Visit:
Normal
Anatomy of the Ear
;
Aural Biopsy: Clinical details required for the
diagnosis
;
Histopathological examination of Aural Biopsy - External Ear
;
Histopathological diagnosis of Aural Biopsy - Middle Ear.
Specimens from
the inner ear are unusual, and consist mostly of
Vestibular Schwannoma
(acoustic neuroma).
Some inflammatory
conditions involving the middle ear may spread to involve the inner
ear and may therefore be biopsied.
Specimens
from the neoplasms of the internal auditory canal:
Histopathology report:
The report should comment on:
- The tumour
type and differentiation:
- neurilemmoma: mitotic activity, Antony A, Antony B zones;
- meningioma: mitotic activity, histological types;
- The presence
of:
-normal nerve tissue, such as from the VIIIth cranial nerve;
-ganglion
cells from the vestibular ganglion. |
