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This Article Figures Only Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Sumi, M. Articles by Nakamura, T. Search for Related Content PubMed PubMed Citation Articles by Sumi, M. Articles by Nakamura, T. Hotlight (NEW!) What's Hotlight? American Journal of Neuroradiology 28:1552-1556, September 2007 DOI 10.3174/ajnr.A0585 © 2007 American Society of Neuroradiology HEAD & NECK MR Imaging of Labial Glands M. Sumi a , T. Yamada a , Y. Takagi a and T. Nakamura a a From the Department of Radiology and Cancer Biology, Nagasaki University School of Dentistry, Nagasaki, Japan Please address correspondence to Takashi Nakamura, DDS, PhD, Department of Radiology and Cancer Biology, Nagasaki University School of Dentistry, 1-7-1 Sakamoto, Nagasaki 852-8588, Japan; e-mail: taku@nagasaki-u.ac.jp BACKGROUND AND PURPOSE: The labial salivary gland is a site of occurrence of tumors and cysts, and it serves as the biopsy site for the diagnosis of Sjögren syndrome. However, its imaging features have not been well understood. Here we attempted to depict the labial gland by high-resolution MR imaging. MATERIALS AND METHODS: The labial glands from 89 patients without Sjögren syndrome, 14 patients with Sjögren syndrome, and 3 patients with tumor or cyst of the lips were imaged by using a 1.5T MR imager with a 47- or 110-mm surface coil. RESULTS: The upper and lower labial glands consisted of 1–3 layers of gland clusters, each of which had high signal intensity on T1-weighted and fat-suppressed T2-weighted images and was readily enhanced after gadolinium injection. The posterior parts of the glands were thicker than the anterior parts. The gland areas in the lower lips (186 ± 64 mm 2 in women and 192 ± 68 mm 2 in men) were greater than those in the upper lips (140 ± 46 mm 2 in women and 162 ± 66 mm 2 in men). We did not find any significant age-related changes or sex differences in the gland area. The labial gland areas were smaller in the patients with Sjögren syndrome than in patients without Sjögren syndrome, though the difference was significant only in the upper lips (104 ± 53 mm 2 ). CONCLUSION: This is the first report describing imaging features of the labial salivary glands. High-resolution MR imaging can readily delineate the labial glands. Home Subscribe Author Instructions Submit Online Search the AJNR Archives Feedback Help Copyright © 2010 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X
American Journal of Neuroradiology – American Journal of Neuroradiology
Published: Sep 1, 2007
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