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IMAGING FOR RESIDENTS QUIZ Table of Contents  
Ahead of print publication
Diverging artifact in a subcutaneous abscess


 Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan

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Date of Submission16-Jan-2021
Date of Decision29-Mar-2021
Date of Acceptance14-Apr-2021
Date of Web Publication16-Jun-2021
 


How to cite this URL:
Wu WT, Hsu YC, Chang KV. Diverging artifact in a subcutaneous abscess. J Med Ultrasound [Epub ahead of print] [cited 2021 Oct 26]. Available from: http://www.jmuonline.org/preprintarticle.asp?id=318650





  Section 1 – Quiz Top


A 60-year-old male had one painful, erythematous mass of the inferior abdominal wall for 3 months. He received a hernia repair surgery 1 year ago. Wound infection developed after the surgery, and an abscess was formed nearby. He received debridement, but there was only partial improvement. Under the impression of a residual abscess, ultrasound was arranged, revealing a hypoechoic lesion [Figure 1]a with peripheral hyperemia [Figure 1]b. A subcutaneous abscess with active inflammation was diagnosed. Furthermore, a hyperechoic structure was found in its center with diverging acoustic shadows [Figure 1]c. What is your impression about these findings in [Figure 1]c?
Figure 1: (a) The image was obtained by placing the transducer in the sagittal plane over the mass (arrowheads). (b) The image was obtained in the power Doppler mode showing hyperemia surrounding the mass. (c) The diverging artifacts (white arrows) behind the hyperechoic structure (black arrowhead) were observed

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Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form, the patient has given his consent for his images and other clinical information to be reported in the journal. The patient understands that his name and initials will not be published and due efforts will be made to conceal the identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

Dr. Ke-Vin Chang, an editorial board member at Journal of Medical Ultrasound, had no role in the peer review process of or decision to publish this article. The other authors declared no conflicts of interest in writing this paper.



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Correspondence Address:
Ke-Vin Chang,
Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei.Hu Branch and National Taiwan University College of Medicine, No. 87 Neijiang Street, Wanhua District, Taipei City 108
Taiwan
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Source of Support: None, Conflict of Interest: None



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