22.圖A是心肌灌注造影重建前的平面投影、圖B是重建後的影像,箭頭處所指是何種問題造成的假影?
(A)橫膈衰減假影(diaphragm attenuation artifact)
(B)乳房衰減假影(breast attenuation artifact)
(C)移動假影(motion artifact)
(D)散射假影(scatter artifact)
(A)橫膈衰減假影(diaphragm attenuation artifact)
(B)乳房衰減假影(breast attenuation artifact)
(C)移動假影(motion artifact)
(D)散射假影(scatter artifact)
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統計: A(638), B(1879), C(339), D(35), E(0) #2182836
統計: A(638), B(1879), C(339), D(35), E(0) #2182836