Items tagged “paranasal sinuses”
45 results found
Case
Haller cells - extensive
Published
17 Jul 2009
39% complete
CT
Case
Pleomorphic adenocarcinoma
Published
19 Feb 2010
89% complete
MRI
CT
Case
Mucocele of the left maxillary antrum
Published
20 Mar 2010
68% 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 the mucosa
allergic fungal sinusitis
sinus fungal mycetoma
invasive: hyp...
Case
Haller cell
Published
11 Apr 2010
77% complete
CT
Case
Inverted papilloma
Published
11 Apr 2010
62% complete
CT
Case
Inverted papilloma
Published
12 Apr 2010
68% complete
MRI
Case
Silent sinus syndrome
Published
16 Apr 2010
62% 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. Some authors suggest that is part of the spectrum of chronic ...
Case
Haller cell (diagram)
Published
19 Apr 2010
32% complete
Diagram
Case
Normal ostiomeatal complex (illustration)
Published
19 Apr 2010
19% complete
Diagram
Case
Silent sinus syndrome (diagram)
Published
19 Apr 2010
29% complete
Diagram
Article
Paranasal sinus osteoma
Paranasal sinus osteomas are common benign tumors, usually found incidentally.
For a general discussion, please see the main osteoma article.
Epidemiology
Osteomas are commonly found in patients undergoing imaging of the sinuses, appearing in up to 3% of CT examinations of the paranasal sinus...
Case
Concha bullosa (diagram)
Published
30 Apr 2010
19% complete
Diagram
Article
Paranasal sinus mucocele
Paranasal sinus mucoceles 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 of expansion
p...
Case
Mucocoele of the ethmoid and sphenoid sinus
Published
06 May 2010
48% complete
CT
Case
Mucocoele (illustrations)
Published
06 May 2010
29% complete
Diagram
Article
Inverted papilloma
Inverted papillomas are a type of Schneiderian papilloma, representing an uncommon non-cancerous sinonasal tumor that mostly affects middle-aged men. They occasionally undergo malignant transformation. On imaging, they classically demonstrate a convoluted cerebriform pattern seen on both T2 and ...