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The evolution of blue toe syndrome in a diabetic patient

  • Liling Deng
    Affiliations
    Department of Endocrinology & School of Medicine, Chongqing University Central Hospital, Chongqing University, Chongqing 400014, China
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  • Wuquan Deng
    Correspondence
    Correspondence to: Wuquan Deng, MD, PhD, Professor of Endocrinology and Director, Department of Endocrinology & School of Medicine, Chongqing University Central Hospital, Chongqing University, No.1 Jiankang Road, Yuzhong District, Chongqing 400014, China. Tel.: +86 23 63692185.
    Affiliations
    Department of Endocrinology & School of Medicine, Chongqing University Central Hospital, Chongqing University, Chongqing 400014, China
    Search for articles by this author
Published:September 20, 2022DOI:https://doi.org/10.1016/j.amjmed.2022.08.027
      A 62-year-old man was admitted to our hospital because of severe pain and purple discolouration in the first toe of left foot for 2 weeks. He was diagnosed with type 2 diabetes 10 years ago, but his blood glucose was poorly controlled with metformin. He had no history of hypertension or smoking. Physical examination showed that his left great toe was painful and purple with very low skin temperature. The dorsalis pedis artery pulse was impalpable.
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