- ... birth, erythroderma develops, with spiky and cobblestone-like hyperkeratosis of the entire skin surface appearing by age one year. Severe palmoplantar keratoderma and scarring alopecia occur in some. HID syndrome is considered to ...
- ... of the hands and soles of the feet (palmoplantar hyperkeratosis); areas of the skin, especially over the joints, ... other type, NPS-type, do not have extensive palmoplantar hyperkeratosis but do have hyperkeratosis on other areas of ...
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