Immunohistochemical Analysis of Prurigo Nodularis in 209 Patients: Clinicopathological Analysis between Atopic and Non-Atopic Patients and between Treatment Response Groups

Prurigo nodularis (PN) is a highly pruritic disease that significantly impairs patient quality of life. Although the mechanism that causes pruritus is not clear, one hypothesis argues that neural hyperplasia, mast cell, and Merkel cell neurite complexes may be associated with PN pathogenesis.The objective of this study was to analyze whether special staining outcomes differed depending on the presence of atopic dermatitis (AD) and treatment...