MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria.

MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria. Research Abstract Details 

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MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria. Abstract Text:

M Izumi,K Eguchi,M Ohki,M Uetani,K Hayashi,M Kita,S Nagataki,T Nakamura,

OBJECTIVE: Because classic diagnostic techniques for sjögren's syndrome (SS) are invasive and require radiation exposure, a noninvasive diagnostic method might benefit patients with SS. The purpose of this study was to determine whether quantitative analysis of MR images of the parotid gland can differentiate patients with SS from normal subjects. SUBJECTS AND METHODS. We performed quantitative analysis of MR images of the parotid gland for 40 patients with definite and probable SS, for 30 normal subjects matched by age and sex to the SS patients, and for 10 patients with parotid inflammation. MR images of teh parotid gland were assessed by calculating standard deviations (SD) of signal intensity. RESULTS. SD of signal intensity exclusively (p < .0001) separated MR images of the parotid glands of patients with definite SS from those of normal subjects. SD of signal intensity for the parotid glands of patients with probable SS also were significantly higher (p < .001) than those of normal subjects. Changes in signal intensity were specific for SS and did not occur with parotid inflammation. Tentative categorization on the basis of signal intensity patterns on MR images of the parotid glands of SS patients showed a high correlation with the results of labial gland biopsy (r = .834) and sialography (r = .936). CONCLUSION. Taken together, these results conclusively indicate that quantitative analysis of MR images for SD of signal intensity is useful method for diagnosing SS and can replace classic methods, which are invasive.

MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria. Publishing Authors By Initials

M Izumi,K Eguchi,M Ohki,M Uetani,K Hayashi,M Kita,S Nagataki,T Nakamura,

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MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 166

Page Numbers: 1483-7

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ISSN: 0361-803X

DAY: 15

MONTH: Jun

YEAR: 1996

MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria. Keywords Mesh Terms:

KEYWORDS: Sjogren's Syndrome

MESH TERMS: radiography

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Grant and Affiliation Information for MR imaging of the parotid gland in Sjögren's syndrome: a proposal for new diagnostic criteria.

AFFILIATION: Department of Radiology, Nagasaki University School of Dentistry, Japan.

Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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