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Man with painful nodule of the right lower extremity
  1. Chung-Yuan Lin,
  2. Yu-Chang Liu,
  3. Wei-Jing Lee
  1. Emergency Medicine, Chi Mei Foundation Hospital, Tainan, Taiwan
  1. Correspondence to Dr Wei-Jing Lee, Emergency Medicine, Chi Mei Foundation Hospital, Tainan, Taiwan; saab931103{at}

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Clinical Introduction

A 51-year-old man presented to the ED with a painful nodule on his right medial calf region for 4 days. He had varicose veins at both lower legs for more than 4 years, but no mass was noted until recent days. He denied prior trauma history or other symptoms. Physical examination revealed a tender, erythematous nodule about 2×2 cm located on the right calf with surrounding rash (figure 1A). Point-of-care ultrasonography of the right lower extremity was …

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  • Contributors My colleagues and I provide equal contributions to this article.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.