Papillary craniopharyngioma diagnosis [Neurosurgery Wiki]

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====== Papillary craniopharyngioma diagnosis ======

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[[Papillary craniopharyngioma]]s tend to be more spherical in outline and usually lack the prominent cystic component; most are either solid or contain a few smaller cysts. Calcification is uncommon or even rare in the papillary subtype, a fact often forgotten.

These tumors tend to displace adjacent structures. 



=== MRI ===
 
cysts
when present, they are variable in signal
T1: 85% are T1 hypointense 4
solid component
T1: iso- to slightly hypointense to brain
T1 C+ (Gd): vivid enhancement
T2: variable/mixed 
MR spectroscopy: cyst contents does not show a broad lipid spectrum as they are filled with aqueous fluid