<prompt> Which of the following is the reason for the development of a simple lentigo?Increased melaninIncreased melanocytesIncreased melanosomesAll of the above  <response>: Ans. B. Increased melanocytesSimple lentigo occurs due to an increase in melanocytes at dermal-epidermal junction. Simple Lentigo also known as Lentigo simplex is a light- to dark-brown or black macule that does not fade away once it appears. They usually appear during childhood and increase in number until the age of 40. It is more common in individuals with red hair and fair skin.Lentigo simplex: Hyperpigmentation is evident in the basal and squamous epidermal cells. There is a slight increase in non-atypical melanocytes between the epidermal basal cells. Magnification 40xHE. 