What is Urticaria Pigmentosa?

This video tells us about Mastocytosis also known as Urticaria Pigmentosa. Mastocytosis has increased mast cells. Darier sign. Lesions are round oval, nonscaling, red-brown papules. This video covers microscopic features of the disease and clinical considerations. TIMELINE: 0:03 Introduction 0:19 Microscopic study 1:24 Cytoplasmic study 2:04 Microscopic slide presentation 2:53 Microscopic slide presentation 3:40 Basal area showing melanocytes 4:41 End