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Published in: European Radiology 10/2015

01-10-2015 | Head and Neck

Diagnostic utility of Acoustic Radiation Force Impulse (ARFI) imaging in primary Sjoegren`s syndrome

Authors: Andreas Knopf, Benedikt Hofauer, Klaus Thürmel, Reinhard Meier, Konrad Stock, Murat Bas, Naglaa Manour

Published in: European Radiology | Issue 10/2015

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Abstract

Objectives

The purpose of the study was to assess the diagnostic utility of acoustic radiation force impulse (ARFI) imaging in primary Sjögren’s syndrome (pSS).

Methods

One hundred fifty-seven patients with sicca symptoms and/or salivary gland swelling were included. Sicca symptoms, Schirmer test, unstimulated whole saliva (UWS), SS-A/B antibodies, and histology were assessed according to American-European Consensus group (AECG) criteria. All patients underwent high-resolution ultrasound and ARFI imaging of the parotid (PG) and submandibular glands (SMG).

Results

Seventy patients were classified as having pSS. The remaining 87 patients suffered from idiopathic sicca (n = 24), rheumatoid arthritis (n = 12), sarcoidosis (n = 9), cutaneous/systemic lupus erythematosus (n = 7), scleroderma (n = 2), dermatomyositis (n = 1), HBV/HCV (n = 2), and panarteritis nodosa (n = 1), and disorders in 29 patients were classified as not otherwise specified. ARFI values of the PG were significantly higher in the pSS versus non-pSS groups (2.86 ± 0.07 m/s vs. 2.15 ± 0.11 m/s, p < 0.0001). ARFI imaging demonstrated diagnostic sensitivity and specificity of 81 % and 67 %, respectively.

Conclusions

In addition to histology, ARFI imaging was the most important diagnostic tool for identifying early pSS.

Key points

Early stages in Sjögren’s syndrome become apparent with major salivary gland enlargements.
Schirmer and unstimulated whole saliva tests demonstrated insufficient sensitivity/specificity for early-stage diagnosis.
Acoustic radiation force impulse imaging is a reliable tool for diagnosing early disease stages.
Appendix
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Metadata
Title
Diagnostic utility of Acoustic Radiation Force Impulse (ARFI) imaging in primary Sjoegren`s syndrome
Authors
Andreas Knopf
Benedikt Hofauer
Klaus Thürmel
Reinhard Meier
Konrad Stock
Murat Bas
Naglaa Manour
Publication date
01-10-2015
Publisher
Springer Berlin Heidelberg
Published in
European Radiology / Issue 10/2015
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-015-3705-4

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