Phacomatosis pigmentokeratotica is a rare but highly characteristic disease defined by the occurrence of an organoid naevus with sebaceous differentiation, a speckled-lentiginous naevus and other associated anomalies. It is probably caused by the twin-spot phenomenon. We report on a 23-year-old male electrician with 10 irregularly shaped, sharply demarcated, brownish-yellow papillomatous plaque...

Three patients presented with an asymptomatic longitudinal pigmented band in a nail. A junctional melanocytic naevus in the nail matrix was suspected; this was confirmed by histological examination in each case. Differential diagnosis and management are discussed, together with a review of the literature. Local excision is considered to be the treatment of choice.

INTRODUCTION A retrospective study of melanocytic naevi was undertaken to assess the degree of clinico-pathological correlation and incidence of histological atypia. MATERIALS AND METHODS The case records from January to March 1996 of all patients with histologically diagnosed melanocytic naevi at the National Skin Centre were analysed. RESULTS Of the 240 lesions removed from 167 patients, ...

Naevus lipomatosis cutaneous superficialis (NLCS) is a rare benign hamartoma of adipose tissue of the skin characterized by the presence of clusters of mature ectopic fat cells among the collagen bundles of the dermis. Usually, the number of adnexal structures is reduced in NLCS with preserved morphology. NLCS is also recognized as "Naevus lipomatosis of Hoffman and Zurhelle". NLCS is presented...