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Sonographic ‘flash’: A case report of a new sign in dynamic ultrasound of extra‐articular snapping hip and knee
Author(s) -
Koh Eamon
Publication year - 2021
Publication title -
australasian journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
eISSN - 2205-0140
pISSN - 1836-6864
DOI - 10.1002/ajum.12226
Subject(s) - medicine , sign (mathematics) , ultrasound , radiology , flash (photography) , orthodontics , art , visual arts , mathematical analysis , mathematics
Snapping phenomena at the hip and knee are common clinical presentations in the general population and athletes. Dynamic ultrasound is a useful tool in the evaluation of these syndromes, especially when intra‐articular pathology has been excluded. We report on a new ultrasound sign, the ‘sonographic flash’, which identified the source of audible snapping in two cases where snapping phenomena were present.