DOI: 10.1001/jama.2023.22011 ISSN: 0098-7484
A 52-Year-Old With Painful Fingertips
Hideki Oka, Shuji Sumitomo, Koichiro Ohmura- General Medicine
A patient had cold, cyanotic fingertips with small ulcerations. Laboratory testing showed leukocytosis, eosinophilia, and elevated D-dimer level; results of tests for antinuclear antibodies, antiphospholipid antibodies, antineutrophil cytoplasmic antibodies against proteinase 3 and myeloperoxidase, and HIV were negative. What is the diagnosis and what would you do next?