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Int J Rheum Dis. 2018 Sep 5. doi: 10.1111/1756-185X.13373. [Epub ahead of print]

Is sonoelastography a helpful method of evaluation to diagnose Sjögren's syndrome?

Author information

1
Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca-UMU), Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain.
2
Oral Medicine Hospital General Universitario JM Morales Meseguer University Murcia, Murcia, Spain.
3
Department of Radiology, Virgen de la Arrixaca University Hospital, El Palmar (Murcia), Spain University Murcia, Murcia, Spain.
4
Rheumatology Unit, Hospital General Universitario JM Morales Meseguer, Murcia, Spain.

Abstract

OBJECTIVE:

A new sonoelastography technique - virtual touch tissue quantification of acoustic radiation force impulses (ARFI) - offers a promising method for measuring tissue rigidity. The aim of this study was to assess the usefulness of ARFI for diagnosing Sjögren's syndrome (SS).

METHODS:

This transversal prospective study included 41 patients with SS according to American-European Consensus Group (AECG) criteria, and a control group without symptoms. All subjects underwent ARFI high-resolution ultrasound assessment of the parotid glands (PG) and submandibular glands (SMG).

RESULTS:

In patients with SS, parotid gland shear wave velocity (SWV) was 2.08 m/s ± 0.55, significantly higher than in control subjects (1.2 m/s ± 0.17) (P = 0.0001); submandibular gland SWV was higher in SS patients (2.12 m/s ± 0.44) than control subjects (1.56 m/s ± 0.16) (P = 0.001).

CONCLUSIONS:

Acoustic radiation force impulses sonoelastography can assist diagnosis of SS, and is a non-invasive and fast method of detecting pathological changes to the parotid and submandibular glands.

KEYWORDS:

Sjögren's syndrome; acoustic radiation force impulse; salivary glands; sensitivity; specificity

PMID:
30187679
DOI:
10.1111/1756-185X.13373

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