Neuroradiology Approach to Head CT. Rapid Assessment of CT head or Do I need to call a Neurosurgeon NOW!!! 1.Is the brain in the middle of the head? 2.Do.

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Presentation transcript:

Neuroradiology Approach to Head CT

Rapid Assessment of CT head or Do I need to call a Neurosurgeon NOW!!! 1.Is the brain in the middle of the head? 2.Do the 2 sides of the brain look alike? 3.Can I see the smile and the pentagon? 4.Is the 4 th ventricle in the midline and symmetrical? 5.Are the lateral ventricles huge with effaced sulci? + the Anderson additional questions 6.Are there any abnormal white things inside the skull? 7.Are there any abnormal black things inside the skull? 1 – 5 From Brant & Helms “Fundamentals of Diagnostic Radiology” 2 nd ed.

Is the brain in the middle of the head? YESNO

Do the 2 sides of the brain look alike? YESNO

The Smile Quadrigeminal Plate Cistern

The Pentagon (or star) Suprasellar Cistern

No Smile, No Pentagon No Good!!

4 th Ventricle

Are the lateral ventricles huge with effaced sulci?

Ventriculomegaly 2 different 30ish year old patients