TY - CHAP M1 - Book, Section TI - The Differential Diagnosis of Purpura A1 - Nakib, Sarah A1 - Rani, Monica A2 - Soutor, Carol A2 - Hordinsky, Maria K. Y1 - 2017 N1 - T2 - Clinical Dermatology AB - Purpura is extravasation of red blood cells into the skin or mucous membrane. For this reason, purpuric lesions do not blanch on diascopy (pressing on the lesion with a glass slide or finger). The differential diagnosis for purpura is broad, but it can be quickly narrowed by classifying the lesions based on their morphology, as well as other clinical and laboratory findings.1,2 The clinical descriptive terms for purpura are listed below, and their respective tables describing the differential diagnosis are referenced. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - dermatology.mhmedical.com/content.aspx?aid=1177006522 ER -