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J Med Ultrasound
J Med Ultrasound
JMU
J Med Ultrasound
Journal of Medical Ultrasound
0929-6441
2212-1552
Wolters Kluwer - Medknow India

JMU-32-282
10.4103/jmu.jmu_61_23
Imaging for Residents – Quiz
A 36-year-old Man with Right Dorsal Ankle Pain
Chang Ke-Vin 123*
Wu Wei-Ting 12
Özçakar Levent 4
1 Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
2 Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan
3 Center for Regional Anesthesia and Pain Medicine, Wang-Fang Hospital, Taipei Medical University, Taipei, Taiwan
4 Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
Address for correspondence: Dr. Ke-Vin Chang, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, No. 87 Neijiang Street, Wanhua District, Taipei, Taiwan. E-mail: kvchang011@gmail.com
Jul-Sep 2024
03 11 2023
32 3 282283
24 5 2023
10 7 2023
14 7 2023
Copyright: © 2023 Journal of Medical Ultrasound
2023
https://creativecommons.org/licenses/by-nc-sa/4.0/ This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.
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pmcSECTION 1 – QUIZ

CASE

A 36-year-old man experienced pain in the dorsal area of his right foot after being struck by a stone 2 weeks ago. Initially, there had been visible bruising, which was absent by the time he visited the ultrasound examination room. However, the swelling was still present on the dorsal side of his right foot. There was not any instability of the ankle. The ultrasound (US) transducer was placed on the dorsal side of his right foot [Figure 1a] and gradually moved to the plantar surface [Figure 1b]. US image of the unaffected/asymptomatic side is given in Figure 2. Based on these findings, what is your suggestive diagnosis?

Figure 1 Ultrasound imaging of the right anterolateral (a) and inferolateral (b) ankle. Black arrowheads, the lateral root of the inferior extensor retinaculum; black arrow, the intermediate root of the inferior extensor retinaculum; white arrowheads, the medial root of the inferior extensor retinaculum. T: Talus, C: Calcaneus, EDL: Extensor digitorum longus tendon

Figure 2 Ultrasound imaging of the left inferolateral ankle. Black arrowheads, the lateral root of the inferior extensor retinaculum; white arrowheads, the medial root of the inferior extensor retinaculum. T: Talus, EDL: Extensor digitorum longus tendon

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 his identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

This work was funded by the National Taiwan University Hospital, Bei-Hu Branch; Ministry of Science and Technology (MOST 106-2314-B-002-180-MY3 and 109-2314-B-002-114-MY3); and the Taiwan Society of Ultrasound in Medicine.

Conflicts of interest

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