<prompt> All are true about Acanthosis nigricans exceptIt is appearance of hyperpigmented skin lesions in flexural areasIt is associated with Type II DMHistopathology shows presence of acanthosis papillomatosisInvolvement of palms and roughening of palms is called as Tripe palms.  <response>: Acanthosis nigricans is a misnomer as there is no acanthosis and only papillomatosis is seen on histopathological examination. 