What Is Porokeratosis?
The cause of keratosis is that the keratinized pores are occluded by the horn plug, and the pores are keratotic papules. Some patients have hypothyroidism or have Cushing's Syndrome. There are also some patients with this skin disease after injection or taking corticosteroids. Common in patients with ectopic tendencies, or hereditary, multiple in the same family. Therefore, before the treatment is started, further examination is needed to diagnose which type of follicular keratosis belongs to. Medications for treatment include retinoic acid creams or gels. AHA, PHA, KogicAcid or adapalene gel. Most of these creams or gels have some adverse reactions.
Keratosis
- Keratosis causes keratosis
- Keratotic damage mainly occurs in the palmar plantar area, manifested as:
- Point-type keratosis: It looks like palmoplantar keratosis, and sometimes only rough keratosis can be felt and it is not easy to see;
- Keratosis causes keratosis
- 1. Infant onset, often with a family history.
- 2. The damage was limited to palms and palms, which were symmetrically distributed. The skin of the affected area became thick, hard, smooth, shiny, and dry, with a pale yellow color and sharp edges. Cleft palate often occurs in winter.
- 3 Generally no subjective symptoms, pain when deep fissures. In some cases He Khan.
- 4 The course of the disease is unchanged throughout life and can be aggravated after trauma.
- 5. Differentiated from keratosis type athlete's foot.
- Some areas are caused by drinking high arsenic water (generally trivalent arsenic). Due to the importance of environmental protection work, the incidence rate has decreased significantly, but it is still caused by the application of arsenic-containing drugs (such as realgar from traditional Chinese medicine). After arsenic enters the body, it binds to proteins containing sulfur groups.
Keratosis seborrheic keratosis
- Seborrhea
- The first is seborrheic keratosis: it often occurs in the face, neck, chest, back and hairline of the elderly for unknown reasons. It appears as mild bulge, brownish yellow, ranging in size from broad beans, showing seborrheic crusts with horny scales or greasy appearance, and gradually pigmentation appears. The hemisphere-like shape that is located on the neck is dark and shiny, and it needs to be distinguished from basal cell carcinoma and moles. Generally, no treatment is needed, and it can be removed by freezing or electrocoagulation if necessary.
Keratosis senile keratosis
- The second is senile keratosis: it occurs at the most exposed parts of the skin of the elderly, such as the forehead, cheeks, ear wheels, back of the hand, forearm, etc. Men can also occur at the top of the head of hair loss. At first, only small and red areas appeared, with clear boundaries and a small number of dilated blood vessels. Later, they gradually developed into flat and raised two types. The flat surface is dry, gray, and rough skin. Later, pimples may appear, which may become malignant after several years. The earliest manifestation of malignant transformation is infiltration into the surrounding area, which usually develops into squamous epithelial cancer. In addition to the rapid metastasis in the ear, the general site of metastasis is slow. The ridge type has clear boundaries, and gray, black and thick keratosis appears on the local skin, which can later develop into a spinous cell tumor. Treatment can be performed with local freezing, electrocautery, electrocoagulation or laser removal.
- Small patches of dark scaly lesions on the exposed part of the skin are common in people over 60 years of age or in younger people with lighter skin in the summer. A few will turn into malignant skin cancer.
Keratosis actinic keratosis
- Actinic