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Welcome back with another video problem 79 that says why are patients with serotomapigment dose a thousand times more likely to develop skin cancer than normal individuals are.
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So zero tamapigmentosum, which is also known as xp, is an inherited condition by an extremely sensitive, you know, sensitivity to ultraviolet rays from sunlight.
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So this condition affects the eyes and areas of the skin exposed to the sun, you know.
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So some affected individuals also have problem involving nervous system.
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Well, the signs of zero -dermal pigmentousums usually appear in infancy, you know, or early childhood.
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Many affected children develop a severe sunburn, you know, and after spending just a few minutes, in the sun.
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So the sunburn causes redness and blistering and, you know, that can last for weeks.
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And, you know, other affected children do not get sunburned with minimal sun exposure, but instead, they're normally.
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So by age two, almost all the children with zero dimipicillum develop freckling of the skin in sun -exposed areas such as, you know, face, arm, and lips.
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So this type of freckling rarely occurs in young children without the disorder.
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So in affected individuals, exposure to sunlight, you know, often causes dry skin.
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Okay.
01:52
And then we have changes in skin coloring and changes in, you know, dry skin and the combination of features gives the condition its name zero demer pigmentousum so the people with zero dermapigmentosum have a greatly increased risk of developing skin cancer without some protection after half of children with this condition you know develop this first skin cancer by age 10...