Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. The spots (easily visible on this patient's legs) are flat, non-blanching and non-tender. seen on right. Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images #Clinical #Photo #Dermatology #Rash #Petechiae #Thrombocytopenia #UCSDH