====== Papillary craniopharyngioma diagnosis ====== {{rss>https://pubmed.ncbi.nlm.nih.gov/rss/search/1d_GL0BNbn9okjrp7mnMx-pqV_Q1i8cXf3x9i4OwCVmq3ankVP/?limit=15&utm_campaign=pubmed-2&fc=20230603083630}} [[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