<prompt> Risk factor for melanoma are all of the following EXCEPT: March 2013Exposure to UV radiationBlack peopleFirst degree relative with melanomaMultiple or dysplastic naevi  <response>: Ans. B i.e. Black people Melanoma is commoner in fair complexion Malignant melanoma MM Mode of spread of MM: Lymphatic channels or hematogenous Cutaneous melanoma arises from: Epidermal melanocytes MC site involved in lentigo maligna least common: Face MC type of MM: Superficial spreading Most malignant type of MM: Noduar melanoma 