A study to evaluate the accuracy of ultrasound in the diagnosis of parotid lumps and to review the sonographic features of parotid lesions — results in 220 patients

Sriskandan, N.; Hannah, Andrew; Howlett, David

doi:10.1016/j.crad.2010.01.009

Cited by 21 publications

(10 citation statements)

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“…Various imaging techniques exhibit the same ability to perform differential diagnosis (23,24). The accuracy of detecting malignant lesions is 87% for CT, 87-93% for MRI, and 85-93% for US (10,(25)(26)(27). US has a limited ability to visualize the deep lobe of the parotid gland, which is partially obscured by the body of the mandible bone.…”

Section: Discussionmentioning

confidence: 99%

Differentiation of pleomorphic adenoma and Warthin’s tumor of the parotid gland: ultrasonographic features

et al. 2014

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Section: Discussionmentioning

confidence: 99%

Differentiation of pleomorphic adenoma and Warthin’s tumor of the parotid gland: ultrasonographic features

et al. 2014

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“…Ultrasound is largely accepted as the initial imaging investigation of choice. Imaging techniques alone can achieve diagnostic accuracy rates of approximately 90% (ultrasound) and these approach 100% when combined with needle biopsy [2].…”

Section: Parotid Salivarymentioning

confidence: 99%

Sonoelastography techniques in the evaluation and diagnosis of parotid neoplasms

Westerland

Howlett

2012

Eur Radiol

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Ultrasound is the first-line imaging investigation in the evaluation of parotid gland lesions; however, ultrasound alone cannot differentiate between benign and malignant lesions. An imaging technique with this capability would be of great value, as fine needle aspiration cytology (FNAC) is not always accurate and partial/total parotidectomy is associated with facial nerve palsy and Frey's syndrome. Sonoelastography is a novel imaging technique that has been employed in the research setting in the evaluation of tissues including breast, thyroid, prostate and the salivary glands. More recently it has been used as a diagnostic adjunct in the sonographic evaluation of major salivary gland lesions. This review article outlines the current role of sonoelastography in the diagnostic imaging of parotid lesions, with particular reference to the findings of two research papers published in European Radiology. These papers employ slightly different techniques: the first utilises shear wave elastography whilst the second uses real-time sonoelastography. Sonoelastography may have potential as a diagnostic imaging adjunct to conventional ultrasound. However, it seems likely that FNAC/core biopsy will continue to be necessary. Further studies to evaluate the reproducibility of sonoelastographic results across a range of operators and systems are also needed. Key Points • Ultrasound is the initial and often definitive investigation for parotid lesions • Ultrasound-based strain elastography has been attempted but offered little additional information • New shear wave elastographic techniques did not confer much advantage either • However, analysis of elastographic patterns seems to provide advantages over ultrasound alone.

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“…Sriskandan and colleagues (2010) published the useful criteria for the assessment of ultrasonographic features of parotid and lymph node lesions. 38 Knopf et al (2012) are also presented multimodal diagnostic pathway for unification of different ultrasonographic techniques for identification parotid WT, mixed tumor, and even carcinomas. 22 In an own sonographic study, Miao et al (2015) divided pleomorphic adenomas and WTs into three groups: (1) without macroscopic cystic structures, (2) with <50 percent macroscopic cystic structures; and (3) with ≥50 percent macroscopic cystic structures.…”

Section: Discussionmentioning

confidence: 99%

July’s 2022 Full Issue PDF

2022

J. Diagn. Treat. Oral Maxillofac. Pathol.

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A study to evaluate the accuracy of ultrasound in the diagnosis of parotid lumps and to review the sonographic features of parotid lesions — results in 220 patients

Cited by 21 publications

References 20 publications

Differentiation of pleomorphic adenoma and Warthin’s tumor of the parotid gland: ultrasonographic features

Differentiation of pleomorphic adenoma and Warthin’s tumor of the parotid gland: ultrasonographic features

Sonoelastography techniques in the evaluation and diagnosis of parotid neoplasms

July’s 2022 Full Issue PDF

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