Items tagged “nose”
18 results
Article
Deviated nasal septum
Deviated nasal septums are a common, usually incidental, finding seen on brain and paranasal sinus CT studies. They are commonly seen with external nose deformities.
Clinical presentation
Symptomatic patients can present with unilateral nasal obstruction or less commonly epistaxis, obstructiv...
Case
Septal perforation - cocaine nose
Published
22 Aug 2009
56% complete
CT
Article
Nasal septal perforation
A nasal septal perforation refers to a defect in the nasal septum resulting in a communication between the two nasal cavities. It may affect either the bony, or cartilaginous septum. Most commonly it affects the anterior septal cartilaginous area although with syphilis it characteristically affe...
Case
Nasal bone fracture
Published
20 Jan 2010
69% complete
X-ray
Case
Nasal bone fracture
Published
20 Oct 2010
62% complete
Annotated image
CT
Case
Nasal septal perforation
Published
20 Oct 2010
59% complete
CT
Article
Nasal bone fracture
Nasal bone fractures are the most common type of facial fractures, accounting for ~45% of facial fractures, and are often missed when significant facial swelling is present.
Clinical presentation
Unsurprisingly, nasal bone fractures occur when the nose impacts against a solid object (e.g. fis...
Article
Nasal glioma
Nasal gliomas, also known as nasal glial heterotopia, are a rare congenital lesion composed of dysplastic glial cells which have lost their intracranial connections and present as an extranasal or intranasal mass.
Epidemiology
Nasal gliomas are rare congenital lesions. These masses occur spor...
Article
Nasolacrimal drainage apparatus
The nasolacrimal (drainage) apparatus consists of:
lacrimal canaliculi
lacrimal sac
nasolacrimal duct
Gross anatomy
Tears produced by the lacrimal gland, accessory lacrimal glands of Krause, Wolfring and Zeis, and Meibomian glands track medially along the eyelid margins and collect at the l...
Article
Ostiomeatal complex
The ostiomeatal complex (OMC) or ostiomeatal unit (OMU), sometimes less correctly spelled as osteomeatal complex, is a common channel that links the frontal sinus, anterior ethmoid air cells and the maxillary sinus to the middle meatus, allowing airflow and mucociliary drainage.
Gross anatomy
...
Case
Nasal bone fracture
Published
03 Mar 2014
74% complete
CT
Article
Nose
The nose, sometimes referred to as the external nose, is a feature of the face and is composed of soft tissues that extend externally from the skull. It is continuous posteriorly with the nasal cavity. The anterior (piriform) aperture is bounded above by the nasal bones and elsewhere by the two ...
Article
Vomer
The vomer is one of the unpaired facial bones and forms the posteroinferior part of the bony nasal septum, lying in the midline between the two nasal cavities.
It is a thin flat bone that is trapezoidal in shape with two surfaces that are obliquely grooved by the sphenopalatine (nasopalatine) v...
Article
Nasal sill
The nasal sill is the soft tissue ridge forming the posterior margin of the anterior naris. It also forms the caudal margin of the nasal vestibule.
The nasal sill forms part of the nasal base, which is defined as the inferior third of the nose when viewing the nose from below with the neck exte...
Article
Columella
The columella is the most anteroinferior portion of the nasal septum and forms the central fleshy portion between the two nostrils when looking at someone's nose. It is a single midline structure composed of cartilage and overlying skin, extending posteriorly from the tip of the nose. The latera...
Article
Anterior naris
The anterior (or external) nares (singular: naris) (a.k.a. nostrils) are openings that form the entrance to the nose. Each naris is formed by a ring of structures:
medially the columella (soft tissue anteroinferior portion of the nasal septum)
laterally and superiorly the nasal ala
inferiorly...
Article
Nasal vestibule
The nasal vestibule forms the small mildly dilated area of the most anterior portion of the nasal cavity, just inside the anterior naris. It is formed by the columella medially, the nasal ala laterally and anteriorly and the nasal sill posteriorly.
Case
Rhinolith
Published
13 Dec 2018
71% complete
CT