A previously healthy 66-year-old woman presented with sudden onset of pain and bruising in her right middle finger. She had had a similar problem 3 weeks earlier, but the symptoms resolved within a few days. She did not take any medication. There was no incident of recent trauma. Examination A physical examination revealed subcutaneous hematoma and swelling with normal sensation.
The skin color of the fingers did not change in response to exposure to cold. Laboratory tests showed normal platelet count and no coagulopathy. What is the most likely diagnosis? *This case is from Docplexus editorial team for educative purpose only. Source: NEJM Stay connected, the answer will be posted in the next 48h!
