Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

12 results found
Article

Cerebral angiography

Cerebral angiography is an interventional procedure for the diagnosis and/or treatment of intracranial pathology. Indications Cerebral digital subtraction angiography (DSA) is indicated in a variety of settings including: diagnosis and treatment of: aneurysms acute ischaemic stroke vascula...
Article

CT head (summary)

CT head is a standard test performed in the assessment of a heterogeneous group of patients who present with a wide variety of symptoms. CT is particularly useful because it is widely available and relatively easy to perform. It allows rapid assessment and diagnosis of a wide gamut of conditions...
Article

CT head (technique)

CT head technique describes how a CT head is performed. Technique The technique for performing a CT of the head depends on the scanner available and fall into two broad camps:  step-and-shoot volumetric acquisition (most common) Step-and-shoot Step-and-shoot scanning was the first describe...
Article

Intraosseous pseudomeningocele

An intraosseous pseudomeningocele is an intradiploic CSF collection communicating with the subarachnoid space. Epidemiology Intraosseous pseudomeningoceles are rare sequelae of a skull fractures of traumatic or iatrogenic ethology occurring in infants and young children. They can be seen in an...
Article

Normal brain imaging examples

This article lists examples of normal imaging of the brain and surrounding structures, divided by modality and protocol. CT CT (routine) example 1: C- axial, coronal, sagittal example 2: C- axial, coronal, sagittal & axial bone example 3: C- axial, C+ axial, coronal, sagittal example 4: C-...
Article

Normal head and neck imaging examples

This article lists examples of normal imaging of the head and neck and surrounding structures, divided by region and modality. Neck For normal spinal imaging, please see: normal spinal imaging Plain radiographs soft tissue: example 1 soft tissue: example 2 CT soft tissue contrast: exampl...
Article

Normal spine imaging examples

This page lists examples of normal imaging of the spine, divided by region and modality. Cervical spine plain films example 1: AP, lat, obliques only example 2: PEG view example 3: flexion and extension views only example 4: paediatric - 12 years old example 5: including Swimmer's view C...
Article

Orbitomeatal line

The orbitomeatal line, also known as the canthomeatal line, was the traditional axial plane used for CT of the brain. It was easily identified on the inspection of the patient's head when tilting the gantry or patient's head to achieve a standard axial plane.  The orbitomeatal line was defined ...
Article

Skull (AP view)

The skull AP view is a nonangled AP radiograph of the skull. This view provides an overview of the entire skull rather than attempting to highlight any one region. Patient position the back of patient's head is placed against the image detector the petrous ridge will overlap the lower 1/3 of ...
Article

Skull (lateral view)

The skull lateral view is a nonangled lateral radiograph of the skull. This view provides an overview of the entire skull rather than attempting to highlight any one region. Patient position the sagittal midline of the patient's head is parallel to the image detector sella turcica in profile ...
Article

Skull (PA view)

The skull PA view is a non-angled PA radiograph of the skull. This view provides an overview of the entire skull rather than attempting to highlight any one region. Patient position the patient is erect the patient's forehead is placed against the image detector allowing for the nose to be in...
Article

Skull (Towne view)

The Towne view is an angled AP radiograph of the skull. Patient position the patient's nuchal ridge is placed against the image detector dorsum sella overlies the foramen magnum image size: 24 x 30 cm X-ray beam features the beam travels anterior to posterior (AP) direction, with ~30-40° o...

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.