Bank China Rural Health Study. The findings, interpretations and conclusions expressed in this paper are entirely those of the authors, and do not necessarily represent the views of the World Bank, its Executive Directors, or the countries they represent.

The gross and microscopic features of an unusual case of neurocutaneous melanosis are described. This is an example of the rare association between a primary central nervous system malignant melanoma and a giant congenital melanocytic naevus of 'bathing trunk' distribution.

Neurocutaneous melanosis is a rare congenital disorder which presents with congenital cutaneous nevi and involvement of the central nervous system. We herein present a rare case of a 2-year-old girl who had central nervous system melanosis and giant congenital melanocytic nevi. Magnetic resonance imaging, especially precontrast T1 images play a crucial role in making the diagnosis combined with...

Two cases of neurocutaneous melanosis are presented. MR showed hyperintense areas in the brain on short-repetition-time/short-echo-time sequences, compatible with intraparenchymal melanin deposits. No leptomeningeal abnormality was seen.

The concept of neurocutaneous melanosis was described in 1948 by Van Bogaert [1] as a nonfamilial neuroectodermal dysplasia, but the first report of an individual with stigmata of neurocutaneous melanosis was made by Rokitansky [2] in 1861. The criteria to be met for diagnosis are large multiple pigmented skin nevi (more than 20 em in diameter) with an excess of melanotic cells in the leptomeni...

To the Editor: Dr Jean Latrelle, an eminent Parisian neurologist at the time of a meeting in Harriman, N.Y., started his discussion by saying, “Everything has been written, but not everything has been read”. I found the description of a patient with neurocutaneous melanosis by Oliveira de Andrade et al. (Epileptic Disord, 2004; 6: 145-52) interesting. For the past 30 years we have been followin...

Neurocutaneous melanosis (NCM) is a rare neuroectodermal dysplasia characterized by large or multiple cutaneous congenital pigmented nevi and benign or malignant melanocytic tumors of the leptomeninges. Although the MR manifestations of this disease have been reported in a small series of cases, the usefulness of fluid-attenuated inversion recovery (FLAIR) MR findings has not been documented. W...