Expression of Human Herpes Virus 6, 7, Epstein-Barr Virus and Cytomegalovirus in Patients with Diverse Adverse Cutaneous Reactions to Drug

immunoglobulin heavy chain gene rearrangement and B-cell lymphoma 2 staining would be helpful to make the diagnosis clear 4 .In summary, a diagnosis of CP should be considered when dermatologists encounter cases of asymptomatic neuronal pigment dermatosis.We speculate that further investigations on the association of the neural pathway with respect to the pathophysiology would be helpful to improve our understanding about CP.