Xeroderma pigmentosum (XP) results from biallelic mutations in any of eight genes involved in DNA repair systems, thus defining eight different genotypes (XPA, XPB, XPC, XPD, XPE, XPF, XPG and XP variant or XPV). In addition to cutaneous and ophthalmological features, some patients present with XP neurological disease. It is unknown whether the different neurological signs and their progression differ among groups.
View Article and Find Full Text PDFPrimary cutaneous mucinous carcinoma (PCMC) is a rare adnexal tumour of the skin. Clinically, it appears as a benign cyst, but it has characteristic histopathology. It is a slow-growing tumour that rarely metastasizes but is associated with significant morbidity due to its high recurrence rate.
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