RT Journal Article SR Electronic T1 Sonographic, CT, and MR Imaging Findings in Diffuse Infiltrative Retinoblastoma: Report of Two Cases with Histologic Comparison JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 499 OP 504 VO 22 IS 3 A1 Brisse, Hervé J. A1 Lumbroso, Livia A1 Fréneaux, Paul C. A1 Validire, Pierre A1 Doz, François P. A1 Quintana, Erica J. A1 Berges, Olivier A1 Desjardins, Laurence C. A1 Neuenschwander, Sylvia G. YR 2001 UL http://www.ajnr.org/content/22/3/499.abstract AB Summary: Diffuse infiltrating retinoblastoma is a rare form of retinoblastoma. We report two cases of this disease in which sonographic, CT, and MR imaging findings were compared with histologic studies obtained after enucleation. Although nonspecific, MR imaging provides valuable morphologic data for the diagnosis of diffuse infiltrating retinoblastoma and may help in decisions regarding enucleation.