Dermatopathic lymphadenitis | definition of dermatopathic lymphadenitis by Medical dictionary
Also found in: Encyclopedia
enlargement of lymph nodes, with proliferation of pale-staining interdigitating reticulum cells and macrophages containing fat and melanin; secondary to various forms of dermatitis.
dermatopathic lymphadenitis A type of lymph-node hyperplasia, which occurs in response to various forms of generalised dermatitis, especially exfoliative types (e.g., psoriasis, mycosis fungoides). It is a T-cell response to skin antigens, processed and presented by interdigitating dendritic cells.