Items tagged “temporal_bone”

11 results found
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 gromits. Eustachian tube dysfunction is the accepted aetiology, with resorption of air and extravasa...
Case

Temporal bone fracture: mixed

 Diagnosis certain
Dr Gagandeep Singh
Published 20 Nov 2009
77% complete
CT
Article

Cholesterol granuloma

Cholesterol granuloma (CG) is a special type of middle ear granulation tissue which is particularly prone to bleeding, and is a frequent cause of a haemotympanum. Cholesterol granulomas represent the most common cystic lesion of the petrous apex.  Epidemiology Cholesterol granulomas typically ...
Article

Petrous apicitis

Petrous apicitis, also known as apical petrositis, is infection with involvement of bone at the very 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 otomastoiditis 3-4. Clinic...
Case

Cholesterol granuloma

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

Petrous apicitis

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

Dehiscent jugular bulb

Dehiscent jugular...
 Diagnosis certain
A.Prof Frank Gaillard
Published 23 May 2010
48% complete
CT
Case

Otosclerosis

There is also par...
 Diagnosis certain
Dr Azza Elgendy
Published 14 Jan 2015
92% complete
CT
Case

Bilateral otospongiosis

 Diagnosis almost certain
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
70% complete
CT

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