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Cranial CT scan - Results

Alternative Names

Brain CT; Head CT; CT scan - skull; CT scan - head; CT scan - orbits; CT scan - sinuses

What abnormal results mean:

Abnormal results may be due to:

  • Abnormal blood vessels (arteriovenous malformation)
  • Abnormal sinus drainage
  • Aneurysm
  • Bleeding (for example, chronic subdural hematoma or intracranial hemorrhage)
  • Bone infection
  • Brain abscess or infection
  • Brain damage due to injury
  • Brain tissue swelling or injury
  • Brain tumor or mass
  • Cerebral atrophy (loss of brain tissue)
  • Hydrocephalus (fluid collecting in the skull)
  • Problems with the hearing nerve
  • Stroke or transient ischemic attack (TIA)
  • Reviewed last on: 12/22/2008
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Shaw AS, Dixon AK. Multidetector computed tomography. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 4.

Saunders D, Jäger HR, Murray AD, Stevens JM. Skull and brain: methods of examination and anatomy. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 55.

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