Ziai et al described a global score to describe the radiologic features of a brain tumor. This described 3 anatomic features that can result in an altered mental status. The authors are from The Johns Hopkins University School of Medicine.
Parameters:
(1) tumor location
(2) mass effect
(3) midline shift
Parameter
Finding
Points
tumor location
lateral
0
midline
1
mass effect
absent
0
present
1
midline shift of septum pellucidum or pineal gland
<= 3 mm
0
> 3 mm
1
tumor severity score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• The higher the score the greater the risk for an impaired consciousness.
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