
A prospective, multicenter study found that a blood-based miRNA assay combined with CA19-9 improved early detection of pancreatic ductal adenocarcinoma.
A 58-year-old man presents with a history of several purpuric nodules on the right leg and foot. What is your diagnosis?
A 58-year-old man presents with a history of several purpuric nodules on the right leg and foot.
Based on the image shown, what is your diagnosis?






