Case 1: An area of pigment loss in the skin and surrounding hair is noted on the head of a 10-year-old boy. Examination of the vertex of the scalp reveals a nevus encircled by depigmentation. Can you identify this lesion? Case 2: During a routine skin examination, a suspicious-looking pigmented lesion is noted on the upper back of a 27-year-old man. The 4-cm, irregularly shaped lesion is compos...

Although frequently performed, laser removal of pigmented lesions still contains certain controversial issues. Epidermal pigmented lesions include solar lentigines, ephelides, café au lait macules and seborrheic keratoses. Dermal lesions include melanocytic nevi, blue nevi, drug induced hyperpigmentation and nevus of Ota and Ito. Some lesions exhibit both an epidermal and dermal component like ...

A PATIENT is presented in whom a malignant melanoma of the choroid developed in association with a naevus of Ota. The naevus of Ota is quite common in Orientals but occurs far less frequently in Caucasians and Negroes. It is considered an aberrant or misplaced mongolian spot and it rarely undergoes malignant change. Apart from its rarity, malignant change has never been recorded in Orientals an...