AMERICAN JOURNAL OF NEURORADIOLOGY, vol.24, no.8, pp.1639-1641, 2003 (SCI-Expanded)
Ossifying fibroma is a rare benign neoplasm that usually affects mandibular and maxillary bones. In this report, we present a case of sinonasal ossifying fibroma with fluid-fluid levels and posterior extension toward the torus tubarius on MR images.