Phacomatosis Pigmentokeratotica with Nephroblastoma and Juvenile Hypertension
Keywords:epidermal naevus, mosaicism, cancer
AbstractPhacomatosis pigmentokeratotica is characterized by the coexistence of an organoid epidermal naevus, following Blaschko lines, and a large speckled lentiginous naevus, typically arranged in a chequerboard pattern. This entity has been isolated from the group of epidermal naevus syndromes and is frequently associated with extracutaneous anomalies. We report here the first observation of phacomatosis pigmentokeratotica associated with nephroblastoma. In addition to this paediatric renal tumour, the coexistence of juvenile arterial hypertension suggests an associated vascular defect. The link between the extracutaneous manifestations and cutaneous twin spot phenotype is discussed.
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