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X
Xanthelasma
Etiology:
Xanthoma
Etiology:
Cause: disorders of lipid metabolism (dyslipidaemias) or occur in histiocytosis
Description: soft, yellow or skin colored papules or plaques
Location: medial canthus of upper (xanthelasma)
Xeroderma Pigmentosum (XP)
Etiology:
Cause: autosomal recessive genodermatosis that results due to mutations in nucleotide excision repair (NER)
Description: born with normal skin, but with increased sun exposure, the patients develop hyperpigmented and hypopigmented macules
Location: face, neck, chest, and dorsal hands + forearms
Xerosis Cutis
Etiology:
-
Appearance: dry skin
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