Computed tomography dose index

The computed tomography dose index (CTDI) is a commonly used radiation exposure index in X-ray computed tomography (CT), first defined in 1981. The unit of CTDI is the gray (Gy) and it can be used in conjunction with patient size to estimate the absorbed dose.

Source: Wikipedia — Computed tomography dose index (CC BY-SA 4.0)

Computed tomography dose index

The computed tomography dose index (CTDI) is a commonly used radiation exposure index in X-ray computed tomography (CT), first defined in 1981. The unit of CTDI is the gray (Gy) and it can be used in conjunction with patient size to estimate the absorbed dose.

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Source: Wikipedia "Computed tomography dose index" · CC BY-SA 4.0

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