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Pleomorphic adenoma presenting low T₂ signal-intensity on magnetic resonance imaging

¹ Department of Maxillofacial Radiology, Field of Oncology, Kagoshima University Graduate School of Medicine and Dental Sciences, Kagoshima 890-8544, Japan; ² Department of Oral and Maxillofacial Surgery, Field of Oral and Maxillofacial Rehabilitation, Kagoshima University Graduate School of Medicine and Dental Sciences, Kagoshima 890-8544, Japan; ³ Department of Oral Pathology, Field of Oncology, Kagoshima University Graduate School of Medicine and Dental Sciences, Kagoshima 890-8544, Japan

*Correspondence to: Hiroko Indo, Department of Maxillofacial Radiology, Field of Oncology, Kagoshima University Graduate School of Medicine and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan; Email: hindoh{at}denta.hal.kagoshima-u.ac.jp

Received 10 May 2005; revised 28 November 2005; accepted 21 December 2005

We report an unusual case of pleomorphic adenoma of the submandibular gland in a 48-year-old female. The present case appeared as a relatively homogeneous, low to intermediate signal-intensity on the T₂ weighted magnetic resonance (MR) images. To our knowledge, the MR feature of low T₂ signal-intensity of pleomorphic adenoma has not been reported in the literature.

Keywords: pleomorphic adenoma; magnetic resonance imaging; gadolinium; submandibular gland