Brain, Neck & Spine

Anterolisthesis involves an alignment problem in the spine.  One of the spinal vertebra moves forward in relation to the others.  This can be diagnosed on imaging studies of the spine…

Sinus CT scan is the best non invasive way to image the paranasal sinuses.  These are hollow cavities in your facial bones around the nasal cavity.  The sinuses connect to…

CT angiogram of the neck is done to look at the arteries that go the the brain. These are the carotid and vertebral arteries.  You can also see the main…

Cervical spine CT is best for showing the bones of the cervical spine.  We can see the junction of the cervical spine and skull.  We can see the lower part…

No, but you can see some findings that may suggest the diagnosis.  Appendicitis presents with nausea, vomiting, pain and lab abnormalities.  The appendix arises off the cecum in the right…

Brain edema on head CT means there is collection of fluid in the brain tissue which is abnormal.  Symptoms include headache, nausea, vomiting, and most severely coma and death.  Brain…

Usually not.  A head CT done without contrast given into a vein in most cases will not identify an aneurysm.  Rarely, a large aneurysm may be seen as a mass,…

Ultrasound uses high frequency sound waves to image the inside of the body.  The advantage is that the test uses no radiation.  Ultrasound is useful for diagnosis of many medical…

Hyperdensity is a descriptive term sometimes used in radiology reports.  This means that the abnormality is brighter than the surrounding brain.  Many abnormalities are hyperdense but one of the most…

Degenerative changes on X-ray is a non specific term denoting arthritic findings.  This is a common finding related to aging.  This can be seen throughout the spine and joints in…

Hypodensity on head CT means that the abnormal area in the brain is darker than the surrounding normal brain tissue.  This type of abnormal tissue can have a variety of…