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FIG 6. Left temporal choroidal fissure cyst. The cystic content (arrow) is very similar to CSF, and, for this reason, its signal intensity is equivalent to CSF (see interpedunclar and other cisterns) in all of the sequences.
A, T1-weighted sequence.
B, T2-weighted sequence.
C, PD-weighted sequence. On the PD-weighted image, the lesion is not clearly evident because its content is isointense to the temporal cortex.
D, FLAIR sequence.
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