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Let's talk about the D-W-I-A-D-C MAP

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scores and what they mean.

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Now these are not PY RAD scores.

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We're just grading DWI

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and I wanna focus on the peripheral zone right now,

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not the transitional zone.

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DWI is the major criteria for the peripheral zone.

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A score of one means it's normal on both the A d, C

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and the high B value DWIA.

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High B value means a B value of 1400

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or above 1500 or 1600.

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A score of two, linear non mass, like WID shaped

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hypo intensity on A D, C and or linear.

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Wed shaped hyper intensity on high B value DWI

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three, right in the middle, focal discreet,

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and different from the background hyperintensity on A, D, C

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and or focal hyperintensity on high B

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value DWI.

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You may have marked hypo intensity on A D, C

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or marked hyperintensity on high B value

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DWI, but not both.

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That's an important distinction.

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A DWI score of four, focal

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markedly hyperintense on a D, C

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and markedly hyperintense on high B value DWI.

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The size is less than 1.5 centimeter in greatest dimension.

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A score of five is exactly the same as a score of four,

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but it's greater than

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or equal to 1.5 centimeter

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in greatest dimension.

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It is preferable to make this measurement on the A DC,

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but if that's not available then on the DWI

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and if that's not available then on the

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T two weighted image.

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In other words, you can't really get a discreet boundary on

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the A DC or the DWI.

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Let's move on, shall we?