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Enlarging tongue masses in neurofibromatosis type 1

MR findings of two cases

      Abstract

      Plexiform neurofibromas usually occur in the neck, pelvis, and extremities. Jaws and oral cavity plexiform neurofibromas have also been described. Magnetic resonance (MR) patterns for neurofibromas are typical. They include low-to-intermediate signal intensity on T1-weighted images, enhancement of the solid component of the tumor after contrast medium administration, heterogeneity on T2-weighted images, and in some cases, multiple target signs due to a collagen central area. We report MR findings of two neurofibromatosis type 1 (NF1) patients with enlarging tongue plexiform neurofibromas.

      Keywords

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