Items tagged “temporal_bone”

12 results found
Article

Cholesterol granuloma

Cholesterol granuloma (CG), also sometimes called a chocolate cyst of the ear or blue domed cyst, is a special type of middle ear granulation tissue which is particularly prone to bleeding and is a frequent cause of a hemotympanum. Cholesterol granulomas represent the most common cystic lesion o...
Article

Congenital cholesteatoma

Congenital cholesteatomas are identical to epidermoid cysts, differing only in name and location.  Pathology They are intraosseous inclusions of ectoderm and are therefore comprised of keratin debris and cholesterol. Characteristically, they are located at the petrous apex. In contrast, middle...
Article

Middle ear effusion

Middle ear effusions are frequent in children due to prominent adenoids and horizontal Eustachian tubes. These do not require imaging and can be treated expectantly / medically / surgically with tympanostomy tubes. Eustachian tube dysfunction is the accepted etiology, with resorption of air and ...
Article

Petrous apicitis

Petrous apicitis, also known as apical petrositis, is infection with involvement of bone at the very apex (petrous apex) of the petrous temporal bone. Epidemiology Petrous apicitis is less common than it once was, on account of the widespread and early use of antibiotics for acute otomastoidit...
Case

Cholesterol granuloma

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 08 Nov 2008
56% complete
MRI
Case

Petrous apicitis

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 23 Sep 2009
74% complete
CTMRI
Case

Temporal bone fracture: mixed

 Diagnosis certain
Dr Gagandeep Singh
Published 20 Nov 2009
74% complete
CT
Case

Dehiscent jugular bulb

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 23 May 2010
56% complete
CT
Case

Otosclerosis

 Diagnosis almost certain
Dr Azza Elgendy
Published 14 Jan 2015
77% complete
CT
Case

Bilateral otospongiosis

 Diagnosis almost certain
Dr. Eiman Akkary
Published 07 Apr 2015
65% complete
CT
Case

Narrow duplicated internal acoustic canal

 Diagnosis almost certain
Dr Sergey Vilkov
Published 23 Mar 2017
73% complete
CT
Article

Foramen singulare

The foramen singulare, also known as the singular foramen or singular canal, is a thin channel within the petrous temporal bone that carries the singular nerve from the internal auditory canal. It is a normal structure that may be mistaken for a temporal bone fracture (i.e., it is a pseudofractu...

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