Keratosis follicularis
A genetic skin disease that is characterized by slowly progressive hardening of the skin (keratosis) around the hair follicles. This disorder is inherited in an autosomal dominant manner and is due to mutation in a gene called ATP2A2 on chromosome 12. Also known as Darier disease.
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- Keratosis pilaris
Small rough bumps, generally on the face, upper arms, and thighs. Keratosis refers to a localized overgrowth of the upper layer of skin. Pilaris pertains to the hair. In keratosis pilaris, the buildup of keratin (the hard protein in the skin, nails, and hair) is limited to the hair follicles.
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Where on your body do you have keratosis pilaris? Have you found an effective treatment? View 4 Comments • Submit »
- Keratosis, actinic
A small rough spot on the skin that can give rise to a skin cancer called squamous cell carcinoma. Actinic keratosis is due to excessive sun exposure and most frequently occurs in fair-skinned people after 40 years of age. Common locations for actinic keratosis are the face, scalp, nape of the neck, upper chest, forearms, […]
- Keratosis, seborrheic
A common skin disorder that is characterized by benign, painless, often wart-like skin lesions that appear to be ‘stuck on.’ The raised spots are usually yellow or brown. Treatment, if warranted, involves surgical or cryo-surgical removal. Also known as seborrheic warts and verruca.
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A severe form of scabies that is caused by delaying treatment of the initial infestation. Keratotic scabies is characterized by mite-filled lesions covered with scabs. These lesions often become infected with bacteria such as staphylococcus. Keratotic scabies is most common in people with immune-system problems, including AIDS, diabetes, and lupus. Also known as crusted scabies.