Items tagged “paranasal sinuses”

36 results found
Article

Convoluted cerebriform pattern

A convoluted cerebriform pattern is a term used to denote the appearance of a sinonasal inverted papilloma on MRI. The appearance is seen on both T2 and post contrast T1 images and appears as alternating roughly parallel lines of high and low signal intensity. This sign has been reported as pre...
Case

Mucous retention cyst

 Diagnosis certain
A.Prof Frank Gaillard
Published 14 Jul 2010
62% complete
MRI
Case

Pneumatised crista galli

 Diagnosis certain
Dr Roberto Schubert
Published 18 Jun 2011
89% complete
CT
Case

Onodi cells

 Diagnosis certain
Dr Roberto Schubert
Published 18 Jun 2011
92% complete
CT
Case

Agger nasi cell

 Diagnosis almost certain
Dr Roberto Schubert
Published 18 Jun 2011
77% complete
CT
Case

Agger nasi cell with sinusitis

 Diagnosis almost certain
Dr Roberto Schubert
Published 18 Jun 2011
56% complete
CT
Case

Squamous cell carcinoma of the paranasal sinus

Soft tissue window
 Diagnosis certain
Dr Roberto Schubert
Published 18 Jun 2011
71% complete
CT
Case

Inverted papilloma with secondary sinusitis

 Diagnosis probable
Dr Paresh K Desai
Published 31 Dec 2012
56% complete
CT
Case

Paranasal sinus osteoma

 Diagnosis almost certain
Dr David Cuete
Published 28 Apr 2013
56% complete
CT
Case

Odontogenic maxillary sinusitis

 Diagnosis certain
Dr Ahmed Abdrabou
Published 22 Nov 2013
95% complete
CTAnnotated image
Article

Sinonasal polyposis

Sinonasal polyposis refers to the presence of multiple benign polyps in the nasal cavity and paranasal sinuses. Epidemiology It is most commonly encountered in adults and rare in children. Polyps are the most common expansile lesions of the nasal cavity 8. Incidence increases in patients with ...
Case

Aggressive fungal sinusitis

 Diagnosis almost certain
Dr Fakhry Mahmoud Ebouda
Published 08 Jul 2016
77% complete
CT
Article

Sphenoethmoidal recess

The sphenoethmoidal recess drains the posterior ethmoid air cells and sphenoid sinuses into the superior meatus of the nasal cavity.  Related pathology patterns of sinonasal obstruction
Article

Schneiderian epithelium

Schneiderian epithelium/membrane is the unique lining of the nasal cavity and paranasal sinuses, and is an ectodermally derived ciliated columnar epithelium with goblet cells. It differs from the similarly appearing respiratory epithelium, which is endodermally derived.  History and etymology ...
Case

CSF fistula

 Diagnosis almost certain
Dr Mostafa Mahmoud El-Feky
Published 28 Jul 2017
74% complete
CTMRI
Case

Mucocele - frontoethmoidal

 Diagnosis almost certain
Dr Ammar Haouimi
Published 11 Dec 2018
80% complete
MRI

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