MR Findings of Nine Cases of Palatal Tumor
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概要
- 論文の詳細を見る
Purpose: To assess the magnetic resonance imaging (MRI) findings of pathologically confirmed palatal tumors. Methods: Nine cases of palatal tumor were studied. Clinical data, MRI findings, and pathological diagnoses were evaluated. Results: Five cases were tumors of the hard palate and four of the soft palate. Signal intensity on T1-weighted images varied, and hyperintensity was observed on T2-weighted images. Adenoid cystic carcinoma and diffuse large B cell lymphoma showed homogenous signal intensity. Other tumors showed heterogeneous signal intensities. On dynamic contrast analysis, malignant pleomorphic adenoma, adenoid cystic carcinoma, diffuse large B cell lymphoma, and peripheral T cell lymphoma showed early enhancement. On post-contrast T1-weighted images, hard palate pleomorphic adenoma, malignant pleomorphic adenoma, adenoid cystic carcinoma, diffuse large B cell lymphoma, and peripheral T cell lymphoma showed strong enhancement. Although the borders of the tumors were classified as clear in 6 cases treated surgically, macroscopic and microscopic borders of the tumors were unclear. Adenoid cystic carcinoma and hard palate diffuse large B cell lymphoma invaded the maxillary bone. Conclusion: Magnetic resonance findings of palatal tumor varied in different histologies. Even with a small palpable portion, malignant tumors could directly infiltrate surrounding structures, which demonstrated well on MRI.
- 日本磁気共鳴医学会の論文
- 2005-09-15
著者
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MATSUI Osamu
Department of Radiology, Cancer Research Institute, Kanazawa University
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SUZUKI Masayuki
Department of Applied Biological Chemistry, Faculty of Agriculture, Shizuoka University
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Minato Hiroshi
Pathology Section, Kanazawa University Hospital
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FURUKAWA Mitsuru
Department of Otolaryngology, School of Medicine, Kanazawa University
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UEDA Fumiaki
Department of Radiology, Kanazawa University School of Medicine
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Matsui Osamu
Department Of Radiology Kanazawa University School Of Medicine
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Minato Hiroshi
Pathology Section Kanazawa University Hospital
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Minato Hiroshi
Pathology Division Kanazawa University Hospital
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Ueda Fumiaki
Department Of Radiology Kanazawa University School Of Medicine
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Matsui Osamu
Department Of Imaging Diagnosis And Interventional Radiology Kanazawa University Graduate School Of
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Suzuki Masayuki
Department Of Radiological Technology Kanazawa University School Of Health Science
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Suzuki Masayuki
Department Of Aerospace Engineering Nagoya University
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Furukawa Mitsuru
Department Of Orthopedic Surgery Keio University School Of Medicine
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Furukawa Mitsuru
Department Of Otolaryngology Kanazawa University School Of Medicine
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MATSUI Osamu
Department of Radiology, Kanazawa University School of Medicine
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