A 73-year-old man with bilateral posterior ankle pain

Yi-Hsiang Chiu, Tyng-Guey Wang
 Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan

Correspondence Address:
Tyng-Guey Wang,
No. 7, Zhongshan S. Road, Zhongzheng District, Taipei City 100
Taiwan

Source of Support: None, Conflict of Interest: None