Ultrasound detection of a subperiosteal abscess secondary to coalescent otomastoiditis.
Australas Radiol 49(4):312-4 (2005) PMID 16026438
We report the unusual ultrasound appearance of coalescent otomastoiditis with subperiosteal abscess in a 3-month-old boy with a 1-week history of an enlarging lump behind the left ear. Ultrasound examination of the lump revealed subcutaneous oedema with an abscess extending from a defect in the cranial vault as a result of extension of the inflammatory process. We believe that this sonographic appearance has not been previously described in the published literature.
DOI: 10.1111/j.1440-1673.2005.01441.x
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