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Title: Twinkle artefact in the ultrasound diagnosis of superficial epidermoid cysts
Austin Authors: Clarke, Richard;Suresh, Priya;Thomas, Rose;Freeman, Simon
Affiliation: Peninsula Radiology Academy, Plymouth UK
Imaging Department, Derriford Hospital, Plymouth UK
Department of Radiology, Austin Health, Heidelberg, Victoria, Australia
Issue Date: Aug-2016 2016-07-12
Publication information: Ultrasound 2016; 24(3): 147-153
Abstract: AIM: The aim of the study was to evaluate whether the twinkle artefact is a valuable feature in the sonographic diagnosis of superficial epidermoid cysts. MATERIALS AND METHODS: A retrospective search was undertaken of our institution's Radiology Information System and pathology database to identify cases of superficial masses showing the twinkle artefact that proceeded to surgical excision. RESULTS: Eighteen superficial masses demonstrating the twinkle artefact were identified that were submitted for pathological analysis. Of these, 17 were confirmed to represent epidermoid cysts and only 1 case had an alternative diagnosis (proliferating trichilemmal cyst). CONCLUSION: The presence of the twinkle artefact appears to be a specific and valuable ancillary sonographic feature for the diagnosis of superficial epidermoid cysts.
DOI: 0.1177/1742271X16658687
Journal: Ultrasound
PubMed URL:
Type: Journal Article
Subjects: Twinkle artefact
Colour Doppler ultrasound
Epidermoid cyst
Sebaceous cyst
Appears in Collections:Journal articles

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