TY - JOUR T1 - MR Imaging of Papillary Tumor of the Pineal Region JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 187 LP - 189 DO - 10.3174/ajnr.A0784 VL - 29 IS - 1 AU - A.H. Chang AU - G.N. Fuller AU - J.M. Debnam AU - J.P. Karis AU - S.W. Coons AU - J.S. Ross AU - B.L. Dean Y1 - 2008/01/01 UR - http://www.ajnr.org/content/29/1/187.abstract N2 - SUMMARY: 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. ER -