MR imaging of papillary tumor of the pineal region.
We report the imaging features of 4 cases of patients with papillary tumor of the pineal region, a tumor newly recognized in the 2007 World Health Organization "Classification of Tumors of the Nervous System." In each case, the tumor was intrinsically hyperintense on T1-weighted images with a characteristic location in the posterior commissure or pineal region. The pathologic hallmarks of the tumor are discussed, including a possible explanation for the MR imaging characteristics in our cases.
Chang
A H
AH
Division of Neuroradiology, Barrow Neurological Institute, Phoenix, Ariz, USA.
Fuller
G N
GN
Debnam
J M
JM
Karis
J P
JP
Coons
S W
SW
Ross
J S
JS
Dean
B L
BL
D000328:Adult; D001932:Brain Neoplasms / Q000473:pathology*; D002291:Carcinoma, Papillary / Q000473:pathology*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008875:Middle Aged; D010870:Pineal Gland / Q000473:pathology*