"T1: hypointense"
"T2: hyperintense"
"T1 C+ (Gd): no enhancement 1"
"FLAIR: may or may not suppress"
"delayed FLAIR C+: enhancement 11"
"Care should be taken not to mistake delayed FLAIR enhancement for non-delayed T1 enhancement seen in most chordomas 11. Additionally, it can be challenging to identify on FLAIR due to the presence of flow artefact in the CSF of the pre-pontine cistern due to basilar artery pulsation ref."
"Care should be taken not to mistake delayed FLAIR enhancement for non-delayed T1 enhancement seen in most chordomas 11. Additionally, it can be challenging to identify on FLAIR due to the presence of flow artefact in the CSF of the pre-pontine cistern due to basilar artery pulsation ref."
"Unlike chordomas which are often symptomatic due to brainstem or cranial nerve compression, patients with ecchordosis physaliphora are usually asymptomatic. They are found in ~2% of autopsies 1. Due to delayed FLAIR-enhancement, they may be more conspicuous on delayed contrast-enhanced MRI of the inner ear and may be found as an incidental finding on MRI hydrops imaging of the inner ear, e.g. for Ménière's disease, as an intensely enhancing structure on delayed contrast-enhanced FLAIR 11."
"History and etymology"