1/ When trying to describe a rash to a derm consultant, do you ever plan to say maculopapular & just hope it's right? Fear no more, one of our wonderful residents, Lowell, shared this plain English approach to rashes in #morningreport 
2/ Going clockwise around the circle, we had a case of a purple, mm sized, raised rash associated with pain and without secondary changes, and localized to the extremities, as seen here: slideshare.net/janinemagalhae…
3/ It’s our old friend, palpable purpura! In general, purpuric rash has an important differential diagnosis to consider, which is summarized in this flowsheet from Access Medicine, Clinical Dermatology:
4/ Our palpable purpura turned out to be a case of leukocytoclastic vasculitis on biopsy caused by IgA vasculitis limited to the skin!
For more #knowledgenuggets check out this blog post: ucsfmed.wordpress.com/2019/10/14/mof…
For more #knowledgenuggets check out this blog post: ucsfmed.wordpress.com/2019/10/14/mof…
