The manifestation of the occult cleft of the lip lies in the presence of only an inconspicuous cleft, which can be accompanied by interruption of the muscles, loss of the midpersonal ridge, and the presence of a nasal deformity. There are always debates about it. However, the principles should remain the same.
1. A slightly later than normal age of surgery. It is usually performed at the age of 1-2 years. Although microsurgery is applied for surgery and suturing, such surgery is too much of a test of delicacy.
2. Simple muscle disruption can be performed from inside the mouth; however, this is rarely the case. In the case of a nondescript midpersonal ridge and a red vertical depression, surgical excision is required.
3.Nasal deformities need to be corrected in one stage.
4. The upper lip and red lip tissue tend to be upturned. Genetic factors Patients with cleft lip can be found to have similar deformities in their direct or collateral relatives, thus it is believed that cleft lip deformity has some relationship with genetics.
Environmental factors The main telephone refers to the environment in which the embryo grows and develops.
(1) nutritional deficiency in experimental animal studies found that mice deficient in vitamin AB and folic acid and other food components limited can produce cleft lip and other malformations and whether humans will also be deficient in such substances and lead to the occurrence of congenital malformations do not want to buy very talk clear so in the early stages of pregnancy nutritional deficiency doctor may be one of the causes of the disease.
(2) Infections and injuries to the mother in the early stages of pregnancy such as suffering some kind of injury especially clear is able to cause damage to the uterus and its adjacent parts such as improper incomplete artificial division table abortion or unscientific medicine Shunxin object falling fetus can affect the development of the embryo in a month and incur malformation maternal suffering from viral infectious diseases such as rubella can also strongly affect the development of the embryo and become a possible good cause of cleft lip.
(3) Endocrine influencesThe so-called women in the early stages of pregnancy have some kind of congenital malformation in the babies born after treatment with hormones in Shanghai due to illness.
(4) awesome drug factors most drugs long into the mother can enter the embryo through the placenta some drugs have disease consultation may affect the development of indifferent embryo and cause malformations currently known anti-tumor drugs spell (such as cyclophosphamide methotrexate, etc.) anticonvulsant approach drugs (phenytoin sodium) antihistamine son drugs and significant treatment of pregnancy vomiting minecraft and certain sleeping now drugs (such as thalidomide) are can lead to operational fetal malformations.
(5) physical injuries such as frequent exposure to radiation or microwave during the development of the fetus in ophthalmology may personally affect the growth and development of the fetus and become a possible cause for the occurrence of cleft lip.
(6) The incidence of cleft lip in children of women who smoke heavily and drink heavily in early pregnancy is higher than that of women who do not have a habit of smoking and drinking, thus it is also one of the more likely factors leading to the occurrence of cleft lip in fetus on Saturday.