Differential diagnosis of acanthosis nigricans are :
-Dowling Degos Disease
-nevi
-reticulated and confluent papillomatosis of Carteaud and Gougreot
-reticulated pigment anomaly
-Dowling Degos Disease
-nevi
-reticulated and confluent papillomatosis of Carteaud and Gougreot
-reticulated pigment anomaly