THE naevus of Ota is characterized by benign mesodermal melanosis of the skin of the face with pigmentation of the eye and its adnexa. It is probably more familiar to the dermatologists. Pusey (1916) was the first to describe the association of scleral and facial pigmentation in a young Chinese student. Later, in Japan, Ota and Tanino (1939) reported, under the name of naevus fusco-caeruleus ma...

3 To Jan, Linus and Simon with love 4 5 " The important thing is not to stop questioning. Curiosity has its own reason for existing " A. Einstein 6 7 ABSTRACT Cutaneous malignant melanoma (CMM) is one of the most rapidly increasing cancers in the Swedish population. The aetiology of melanoma is a complex interplay between genetics, host characteristics and environmental factors. The host charac...