Phacomatosis spilosebacea: A new name for a distinctive binary genodermatosis - 12/02/21
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Abstract |
Phacomatosis pigmentokeratotica (PPK) is defined by the association of papular nevus spilus arranged in a flag-like pattern and sebaceous nevus following Blaschko's lines. A systematic search of the worldwide literature retrieved 95 well-established PPK cases. An additional 30 cases were excluded for a number of reasons. Based on this study, we propose to rename PPK phacomatosis spilosebacea (PSS). Mosaic mutations of the HRAS gene are the only proven cause of PSS. The extracutaneous abnormalities of PSS result from various degrees of intermingling of Schimmelpenning syndrome and papular nevus spilus syndrome. PSS seems to be a condition at particularly high risk of developing basal cell carcinoma, urogenital malignancies, and vitamin D–resistant hypophosphatemic rickets. Extracutaneous abnormalities were detected in approximately 75% of PSS cases.
Le texte complet de cet article est disponible en PDF.Key words : basal cell carcinoma, cancer, genodermatosis, nevus sebaceus, nevus spilus, papular nevus spilus, phacomatosis pigmentokeratotica, phacomatosis spilosebacea, RASopathy, rickets, sebaceous nevus
Abbreviations used : BCC, EN, MM, PNS, PPK, PSS, SN
Plan
Funding sources: None. |
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IRB approval status: Not applicable. |
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