Histiocitosis cutánea reactiva en un perro.

The article focuses on the occurrence and diagnosis of reactive cutaneous histiocytosis in a dog, characterized by multiple nodules, plaques, or papules on the skin and subcutaneous tissue, with varied biological behavior. Topics covered include the cellular composition of antigen-presenting cells in dogs, the etiology and clinical presentation of reactive cutaneous histiocytosis, and the diagnostic approach involving cytology, histopathology, and immunohistochemistry.