Ulcer occurs in between 20 ~ 45-year-old female, male to female ratio is about 2:3. According to relevant statistics are available, the incidence rate is not the end in 10%. Oral mucosa occurred in many non-keratinized or keratinized poorer regions, such as the inner lip, tongue, tongue margin, ventral tongue, cheek, soft palate, the vestibular mucosa, etc. ditch.
1. Light early aphthous lesions Department sensitive or needle-like size or slightly larger congestive areas, namely, the formation of a short period of 2 ~ 4mm in diameter, around, round or oval, border clear small shallow ulcer. Center for Micro-depressions, surface cover has a layer of light yellow pseudome, ulcers around the mucosal hyperemia was blush-like, its not the end of a hard palpable. The number of ulcers is generally about 2 ~ 3. Ulcer formation has a more intense burning pain, especially the glaring tip of tongue. Have irritant in contact with the food even more. Generally no symptoms.
After 7 to 10 days be able to self-healing ulcers, without leaving any scar. But after the interval of varying lengths and then to relapse. Intermittent period of the elderly up to 10 ~ 20 years or longer; short persons can come and go, and constantly throughout the year, the patient is suffering
2. Herpetiformis, also known as aphthous stomatitis aphthous type. In addition to this type of ulcer small number (up to 20 ~ 30), the remaining light Aphtha similar performance. Ulcers scattered, the distribution of a wide range of apparent congestive mucosa. Have severe pain and accompanied by headache, fever, local symptoms such as lymph nodes.
3. Adenovirus weeks also known as recurrent aphthous necrotizing periarteritis mucosa or giant aphthous for various types of one of the most serious type. Ulcers often a single occurrence of two or two or more rare. Occur in the lips and mouth area medial mucosa, may also occur in the tongue arch palate, soft palate and other parts. At the beginning of aphthous ulcers with the same light, but it gradually expanded to the diameter of 1 ~ 2cm, and deep to the mucosa. Ulcers for the purple-red or dark red, irregular edge, showing valve-shaped bulge, the central depression, seemed to “crater.” At the end of injustice, micro-hard, showing a small nodular. Ulcers around the obvious blush. Local has severe pain and can be accompanied by local lymph nodes, fever and other symptoms.月余course more than often, the elderly up to 1 year. Healing scar left by serious cases, can be formed tissue defect or deformity.
4. Behcet’s syndrome, also known as the eyes - I - genital triad. The disease is a recurrent oral cavity, skin, genital and eye damage as the basic clinical features of systemic diseases, but also spread to the joints, cardiovascular and nervous system.
Pathogenesis of many men than women, in the mouth, eyes, genital Department lesions occur in succession or simultaneously, and some only appear in two parts of lesions. Course of up to several years or longer. Light damage of oral aphthous ulcer or herpes-like performance, may also happen gland Aphtha weeks. Eye damage to occur later, manifested as conjunctivitis, keratitis, iridocyclitis with hypopyon, retinal choroidal go far in serious cases can cause blindness. Genital lesions of women in large and small labia and vagina, the male in the glans penis or scrotum appeared, ranging from the number of ulcers. Skin can be manifested as folliculitis, erythema nodosum, acne, etc., using sterile needles piercing the skin after 24 ~ 48 hours, often papules or pustules. This non-specificity of skin allergy, has diagnostic value.
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