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Window values, Scan and reconstruction – Siemens syngo CT 2005C User Manual

Page 23

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Scan and Reconstruction

23

Window values

The Scale of the CT Hounsfield Units is from -1024 to
+3071.

The displayed window values have to correspond to
the anatomical structure.

Windowing is used to optimize contrast and brightness
of images.

Organ specific window values

Gray scale

white

black

CT-window values

Window

center C

Window

width W

Hounsfield Units

Spleen

Kidneys

Blood

Heart

Liver

Tumor

Bladder

Colon

Pancreas

Adrenal

Glands

Bones

Water

Breast

Fat

Lung

Air

C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book Page 23 Friday, April 8, 2005 9:55 AM