Seeing nails can also distinguish diseases
Nail refers to the hard horny surface of the extremity of the toenails, which is part of the skin. Diseases can cause the color of the deck to change, so it is a healthy mirror through which some hidden systemic diseases can be spied.
Popular classroom nails are hard horns that extend from the end of the (phalanges) and are part of the skin.
It has the function of protecting the soft skin tissue beneath it, and can help the fingers feel the subtle sensations and complete some fine movements.
In modern society, having a complete and beautiful nails will increase people’s confidence and beauty during communication and contribute to the success of their careers.
Nails are also a healthy mirror, through which hidden systemic diseases can be detected.
Yellow, blue, black and white doorway diseases can cause the color of the deck to change.
White armor: When one or more white horizontal or vertical lines appear on the deck, consideration should be given to possible acute acute poisoning, niacin deficiency, and tuberculosis; etc. When the deck is partially or completely white, it may be related to nephritis, liver insufficiency, and potential metastasis.Tumor-related.
Finger (toenail) nails have 1-2 white or pale white horizontal stripes with a width of about 1-2 mm, often involving multiple decks at the same time. This is called Mees streaks, which is acute, poisonous and its compounds poisoning.Characteristic clinical manifestations.
It is usually seen after 40-60 days of acute poisoning, first appearing at the nail root, then gradually moving to the free edge of the nail with the growth of the nail, and disappearing after a few months.
Yellow nails: The color of the nail plate turns yellow. In addition to local factors such as resorcinol and other drugs, the possible carotene metabolism disorder should be considered.
If the deck turns yellow and is accompanied by thickening, the curvature of the nail side increases, and the longitudinal and transverse diaphragms appear on the deck surface, suggesting the occurrence of yellow nail syndrome.
In addition to nail changes, patients with yellow nail syndrome are often accompanied by respiratory diseases, such as pleural effusion, bronchiectasis, emphysema, malignant tumors, nephrotic syndrome, and pneumocystis carinii.
Yellow nail syndrome is also seen in AIDS patients.
Black nails: There are two cases. One is due to the increase in hemosiderin under the nails, which is yellowish black. Most of them are related to trauma, which can fade naturally with the growth of the nails. The first is that there is too much melanin under the nails, which is banded or full.A is gray and black, and some patients may have chronic lead poisoning, pigmented nevus or malignant melanoma, Addison’s disease, black acanthosis, and pigmentation-this phenomenon can also occur in patients with intestinal polyposis syndrome.
Blue armor: The nail plate is blue.
Some drugs, such as apine, can cause the deck to turn blue after long-term use. It may also be a sign of silver deposits. In addition, degeneration of the hepatolenticular nucleus can also cause the color of the deck to turn blue.
Brown nails: The nail plate is brown. It is common in soaking potassium permanganate solution, and there is a possibility of chronic mercury poisoning. Certain drug reactions (antimalarial drugs, phenols), and black echinoderma, Addison disease can also occur.
For half armor: the deck is presented in two shades, the half on the deck is brown-red, and the proximal half is white, with clear boundaries.
It can appear during the period of nephropathy and uremia, and some energy will subside on its own.
At the same time, the change in nail morphology is also a clinical sign of some diseases.
Anti-Armor: Also known as spoon-shaped armor, it is named after the edge of the deck is sunken and the edge is raised like a spoon.
It suggests that the body has hypoxia, anemia, or suffers from hyperthyroidism, Sjogren’s syndrome, and so on.
Due to poor circulation of the fingertips, hypothyroidism in the nail bed tissue is caused, resulting in metabolic disorders.
Toad-shaped armor: The deck is significantly enlarged, thickened and tilted towards the back of the nail, and is bow-shaped.
The club-shaped nails are often accompanied by club-shaped fingers (named because of the hypertrophy of the end of the fingers in the form of a drumstick).
Acanthosis is caused by a variety of causes, such as Raynaud’s disease, chronic lung diseases (such as tuberculosis, bronchiectasis, empyema, bronchial cancer, etc.), and hypertension. It can also be seen in liver cirrhosis, hyperthyroidism, and ulcerative colitis.Wait.
Nail hypertrophy: The normal on the deck is obviously thickened without deformation, which is often seen in acromegaly.
Giant armor: The nail plate is abnormally large. Complications of giant armor can occur in diseases such as acromegaly and syringomyelia.
Nail atrophy: The deck is thin and small due to poor deck development.
It can be seen in syringomyelia, acral scleroderma, and congenital bullous epidermolysis.
Brittle nails: The nail plate is more brittle, thin and brittle, often accompanied by longitudinal cracks and lamellar separation.
Visible in anemia, Raynaud’s disease, and vitamin A deficiency.
The several types of osteoarthritis described above can be found in both systemic diseases and many other skin diseases.
Hyperthyroidism caused by systemic diseases leads to the lack of skin damage or clinical characteristics, which is not easy to attract the attention of patients, and the long mussels are misdiagnosed.
Therefore, when there is an unexplained thyroid disease, the cause should be carefully searched, and the doctor should be diagnosed and treated in time.