Items tagged “paranasal sinuses”
36 results found
Case
Haller cells - extensive
Diagnosis almost certain
Published 17 Jul 2009
39% complete
CT
Case
Pleomorphic adenocarcinoma
Diagnosis certain
Published 19 Feb 2010
56% complete
CTMRI
Case
Mucocoele of the left maxillary antrum (probable)
Diagnosis probable
Published 20 Mar 2010
62% complete
MRI
Article
Sinonasal disease
The nasal passage and paranasal sinuses (collectively sinonasal) plays host to a number of diseases and conditions, which can be collectively termed sinonasal disease. One way of classifying separate entities is as follows:
inflammatory and infective conditions
sinusitis
acute sinusitis
pott...
Article
Acute invasive fungal sinusitis
Acute invasive fungal sinusitis is the most aggressive form of fungal sinusitis. It is seen particularly in immunocompromised patients and is the source of significant morbidity and mortality. It should be distinguished from the other two forms of invasive fungal sinusitis, chronic invasive fung...
Article
Fungal sinusitis
Fungal sinusitis is a collective term referring to a number of entities, which can be divided into two groups, depending on the presence of fungal hyphae within or beyond the mucosa 1:
non-invasive: hyphae do not invade mucosa
allergic fungal sinusitis
sinus fungal mycetoma
invasive: hyphae ...
Case
Haller cell
Diagnosis certain
Published 11 Apr 2010
80% complete
CTAnnotated image
Case
Inverted papilloma
Diagnosis almost certain
Published 11 Apr 2010
62% complete
CT
Case
Inverted papilloma
Diagnosis almost certain
Published 12 Apr 2010
62% complete
MRI
Case
Silent sinus syndrome
Diagnosis certain
Published 16 Apr 2010
59% complete
CT
Article
Silent sinus syndrome
The silent sinus syndrome represents maxillary sinus atelectasis that results in painless enophthalmos, hypoglobus and facial asymmetry 1-3. Some authors restrict the term to patients with no history of sinusitis, trauma or surgery 2.
Epidemiology
Silent sinus syndrome usually presents in the ...
Case
Haller cell (diagram)
Diagnosis not applicable
Published 19 Apr 2010
32% complete
Diagram
Case
Normal ostiomeatal complex diagram
Diagnosis not applicable
Published 19 Apr 2010
32% complete
Diagram
Case
Silent sinus syndrome (diagram)
Diagnosis not applicable
Published 19 Apr 2010
29% complete
Diagram
Article
Paranasal sinus osteoma
Osteoma of the paranasal sinuses is a common benign tumour, usually found incidentally.
Epidemiology
Osteomas are commonly found in patients undergoing imaging of the sinuses, appearing in up to 3% of CT examinations of the paranasal sinuses 1. They are most frequently diagnosed in 20-50 years...
Case
Concha bullosa (diagram)
Diagnosis not applicable
Published 30 Apr 2010
19% complete
Diagram
Article
Paranasal sinus mucocele
Paranasal sinus mucoceles (or mucocoeles) represent complete opacification of one or more paranasal sinuses by mucus, often associated with bony expansion due to obstruction of the nasal sinus drainage.
Clinical presentation
Clinical presentation depends on two factors:
location and direction...
Case
Mucocoele of the ethmoid and sphenoid sinus
Diagnosis almost certain
Published 06 May 2010
53% complete
CT
Case
Mucocoele diagrams
Diagnosis not applicable
Published 06 May 2010
22% complete
Diagram
Article
Inverted papilloma
Inverted papillomas are a type of Schneiderian papilloma. They are uncommon with distinctive pathological and imaging features.
Terminology
The term inverted papilloma is also used to describe a urothelial lesion. For a discussion of that entity, please refer to inverted papilloma of the urin...
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