Worst prognosis in melanoma is seen in the suptype:
Types of Malignant Melanoma Superficial spreading : MC type of MM; MC site is Torso Nodular: Most malignant ; MC site is face Lentigo maligna: Least malignant; MC site is Face Acral lentiginous : Least common , worst prognosis . MC site : Sole , under great toe nail
Superficial spreading
Nodular melanoma
Lentigo maligna melanoma
Acral lentiginous.
Plastic Surgery and Skin Lesions