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Fig. 5B. —Postcontrast fat-saturated axial images of 72-year-old man
with hypopharyngeal cancer. Volumetric interpolated breath-hold examination
(VIBE) image (TR/TE, 4.3/2.0; flip angle, 15°) (A) and spinecho
T1-weighted image (497/17.0) (B) of upper part of hypopharynx show
tumor located at right aryepiglottic fold to pyriform sinus (arrows).
Spin-echo T1-weighted image is deteriorated because of flow-related artifact.
Artifact from right internal jugular vein (arrowheads, B)
mimics enhanced lesions on spin-echo T1-weighted image. In this case, overall
image quality and artifacts were evaluated as being better on VIBE image than
on spin-echo T1-weighted image, whereas tumor conspicuity was evaluated as
being the same on both images. Overall image quality, artifacts, and tumor
conspicuity were scored as 5, 4, and 5, respectively, on VIBE image and as 4,
3, and 5 on spin-echo T1-weighted image.
