JDMS Article - SDMS CME Credit

Article: Subungual Exostosis: High-Resolution Ultrasound Findings

Authors: Carolina Whittle, MD, Javiera Aguirre, MD, Veronica Catalán, MD, Ximena Fajre, MD, and Fabiola Vargas, MD

Category: Other [OT]

Credit: 0.5 SDMS CME Credit

Objectives: After studying the article entitled “Subungual Exostosis: High-Resolution Ultrasound Findings,” you will be able to:

1. Define subungual exostosis

2. Identify the radiologic techniques used to diagnose subungual exostosis

3. Describe ultrasound findings of subungual exostosis

1. Which radiologic modality is best for depicting the effect of subungual exostosis on the surrounding structures?

2. MRI

3. X-ray

4. CT

Subungual exostosis is:

Malignant osteocartilaginous tumor

Most commonly found on fingers

Found in the dorsolateral region of the phalanx

Formed directly from fibrous tissue

Which of the following is an ultrasound finding of a subungual exostosis?

Posterior enhancement

Homogeneous

Hyperechoic

Ill-defined margins

The main treatment for subungual exostosis is?

Steroid injection

Physical therapy

Surgical removal

Rest

Which of the following is a dermoscopic feature that can help diagnose subungual exostosis?

Fibroma

Vascular ectasia

Deformed nail bed

Subungual wart