CT Scan of the Head

An x-ray scan that utilizes a computer to produce cross-sectional images of the head

Parts of the Body Involved

Head, brain

Reasons for Procedure

A CT scan is done to study the skull, brain, jaw, sinuses, and facial bones for signs of injuries, tumors, or other disease.

Your doctor may recommend a head CT if you have any of the following symptoms:
  • Headache
  • Seizures
  • Head injury or injury to the face or eyes
  • Dizziness or problems with balance
  • Pain
  • Confusion
  • Behavior or personality change
  • Chronic nasal congestion
  • Cough
  • Swelling in the face, head, or neck
Many conditions and diseases can be diagnosed with a head CT. These include:
  • Brain tumor
  • Spread of cancer from another location (metastases)
  • Cysts
  • Congenital brain malformations
  • Bleeding
  • Strokes
  • Aneurysm
  • Swelling due to concussion or other trauma, or due to infection
  • Sinus disease
  • Fractures of the skull, jaw, or facial bones
  • Hydrocephalus (excessive accumulation of cerebrospinal fluid in the head)
  • Abscess
  • Chronic sinusitis

Risk Factors for Complications during the Procedure

None

What to Expect

Prior to Procedure - Depending on which tissues your doctor wants to examine, you may be given a contrast dye. If this is the case, do not eat or drink anything for 4 hours before your exam.

Youll remove anything containing metal from your head and neck, including jewelry, false teeth, glasses, and hair barrettes.

During Procedure

Outcome

Your doctor should be able to spot any abnormalities in your brain, skull, or facial bones.

Call Your Doctor If Any of the Following Occurs

You had contrast dye and notice:
  • Hives
  • Itching
  • Nausea
  • Swollen, itchy eyes
  • Tightness of throat
  • Difficulty breathing