Halo naevus--a frustrated malignant maelanoma.

A malignant transformation in a pre-existing benign scrotal naevus.

Malignant melanoma of the scrotum is the rarest of the primary genitourinary melanomas, with only 19 cases having been reported previously. The authors have described a rare case of a primary scrotal neoplasm. The necessity of a prompt diagnosis has been emphasized. We are presenting an additional case of this often aggressive malignancy. The pertinent literature has been reviewed and the curre...

Malignant melanoma associated with a blue naevus: a case report

INTRODUCTION Combined malignant naevi are characterised pathologically by the association of a melanoma with one or more different types of benign melanocytic naevi in a single lesion. CASE PRESENTATION We show here a case of malignant combined naevus made up of a blue naevus and a melanoma, presenting as a slowly progressing and asymptomatic pigmented lesion on the trunk of a 35-year-old man...

Malignant melanoma arising from a small congenital melanocytic naevus.

A 29-year-old woman presented with a subcutaneous nodule within a pigmented macule on her left neck. The elliptic macule measured 1266 mm (Fig. 1), and had been present since birth, judging from her family’s statements. The subcutaneous nodule had gradually grown within the macule 12 months previously. The flesh colour around the black macule had changed into a blue tone occurring with the nodu...

Malignant cerebral melanoma complicating giant pigmented naevus: a case report.

Malignant melanoma of the choroid in a naevus of Ota.

A rare case of choroidal malignant melanoma in a naevus of Ota is described. This is the first reported case from Asia outside the Japanese population. This case illustrates the need for close observation of all pigmented lesions of the eye.