J(@) |kidney tumour liver- liver, kidney tumour fat @1 @z @z fat (a) Determine at which frequency (w1, w2, W3 or w4) the image was acquired, and give your reasons. (b) At which of these frequencies (w1, w2, W3 or w4) would the relative signal intensities of the four tissues be reversed, i.e. the highest becomes lowest and vice-versa?

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter9: Parenteral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 6.4P
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b) The T1-weighted image in the figure represents a slice though the
abdomen, with signals coming from liver, kidney, tumour and lipid. Given
the following information:
P(liver) = p(kidney) < p(lipid) < p(tumour)
and the spectral density plot shown below:
J(@)
kidney
tumour
liver
liver, kidney
tumour
fat
@1 @2 @z
fat
(a) Determine at which frequency (w1, w2, W3 0r w4) the image was
acquired, and give your reasons.
(b) At which of these frequencies (w1, w2, w3 or W4) would the relative
signal intensities of the four tissues be reversed, i.e. the highest becomes
lowest and vice-versa?
Transcribed Image Text:b) The T1-weighted image in the figure represents a slice though the abdomen, with signals coming from liver, kidney, tumour and lipid. Given the following information: P(liver) = p(kidney) < p(lipid) < p(tumour) and the spectral density plot shown below: J(@) kidney tumour liver liver, kidney tumour fat @1 @2 @z fat (a) Determine at which frequency (w1, w2, W3 0r w4) the image was acquired, and give your reasons. (b) At which of these frequencies (w1, w2, w3 or W4) would the relative signal intensities of the four tissues be reversed, i.e. the highest becomes lowest and vice-versa?
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