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AJNR - American Journal of Neuroradiology

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Cellular Leiomyoma of the Nasal Cavity: Findings of CT and MR Imaging

Koshi Ikeda^a, Masashi Kuroda^a, Noriko Sakaida^b, Minoru Maehara^a, Naoto Ohmura^a and Satoshi Sawada^a

^a Department of Radiology, Kansai Medical University, Moriguchi, Osaka, Japan
^b Department of Pathology, Kansai Medical University, Moriguchi, Osaka, Japan

View larger version (142K): [in a new window]   FIG 1. Noncontrast coronal CT scan shows a low-attenuated mass in the right nasal cavity without apparent erosion of the bone.

View larger version (81K): [in a new window]   FIG 2. MR images show a homogeneous mass in the right nasal cavity adjacent to paranasal collection. A, Axial T1-weighted image. B, Axial T2-weighted image. C, Coronal contrast-enhanced T1-weighted image.

View larger version (165K): [in a new window]   FIG 3. Hematoxylin eosin–stained sections show spindle-shaped cells organized in fascicles or loosely arranged in a myxoid stroma.