Oral blood blister
Introduction
Introduction Oral blood bubbles are common in oral ulcers. Oral ulcers, also known as "mouth sores", are blood bubbles that occur on the oral mucosa. They can vary in size from rice to soybeans, round or oval, and the ulcer surface is concave and concave, and the surrounding is congested. Food causes pain and usually heals itself in one to two weeks. The prevalence rate in the population is generally considered to be more than 10%, which can occur in men, women and children, and is most common among young people. Recurrent oral ulcer is a localized ulcerative ulcer of the oral mucosa characterized by periodic recurrence. It can heal itself and can occur in any part of the oral mucosa. In the mucous membranes of the lips, cheeks, soft palate or gums, single or multiple round or oval ulcers of different sizes occur, the surface is covered with gray or yellow pseudomembrane, the central depression, the boundary is clear, and the surrounding mucosa is red and micro Swelling, local burning pain is the main feature.
Cause
Cause
Most doctors believe that oral ulcers are related to the following factors:
1, digestive diseases and dysfunction: such as abdominal distension, diarrhea or constipation.
2, endocrine changes: some female patients often occur in the menstrual period, may be related to the decline in the amount of estrogen in the body. Some women may have oral ulcers before or after menstruation or menstruation. The medication can only be temporarily relieved. It will still appear as usual in the next month, and the pain is unbearable. At the same time, it is often accompanied by dry mouth, upset, irritability and Annoying symptoms such as dry stools. Clinical studies have found that oral ulcers during menstruation are mainly caused by decreased levels of progesterone (progesterone, etc.) in the body.
3, mental factors: Some patients with mental stress, mood swings, poor sleep conditions, may be related to autonomic dysfunction.
4. Genetic factors: If both parents have recurrent oral ulcers, about 80-90% of their children are sick. If one of the parents suffers from this disease, about 50-60% of their children are sick.
5, the virus infection: oral ulcers are generally more common in the spring and autumn exchange, the general immune system is low due to seasonal changes, and the body's environment can not be adjusted in time, the immune system is low, the virus will take advantage of this, resulting in ulcer.
6, other factors: such as the lack of trace elements zinc, iron, folic acid, vitamin B12, malnutrition, etc., can reduce immune function and increase the possibility of recurrent oral ulcers.
Examine
an examination
Related inspection
Oral X-ray examination of oral endoscope
It can occur in any part of the oral mucosa, and it is more common in the lips, cheeks, and tongue. In severe cases, it can spread to the pharyngeal mucosa. Many patients with the prolongation of the disease, the ulcer area increased, the number increased, the pain increased, the healing period was prolonged, the interval was shortened, etc., affecting diet and speech.
Diagnosis
Differential diagnosis
Differential diagnosis of oral blood vesicles:
1, traumatic mucosal blood blister: often caused by rushing to chew large dry, hard food or swallowing too fast. The blood blister that occurs on the buccal mucosa due to inadvertent chewing is generally small, with a diameter of about 0.5 cm, which heals quickly and rarely becomes erosive or ulcerated. However, if the blood blister on the unilateral soft palate, the soft and hard palate junction, the uvula and the lingual arch, which are promoted by the warehousing, the diameter is large, sometimes up to 2-3 cm, there is a foreign body sensation, and the blood blister is easily broken. And the pain is obvious.
2, thrombocytopenic purpura oral blister: repeated episodes of blood bleb, blood routinely showed a decrease in platelet count, decreased blood coagulation.
