title: [Mast cells and lysosomes--lysosomes of mast cells in urticaria pigmentosa].
mesh_terms: D006651:Histocytochemistry; D006801:Humans; D008247:Lysosomes; D008407:Mast Cells; D008854:Microscopy, Electron; D014582:Urticaria Pigmentosa / Q000473:pathology*