Why do children develop hemangiomas?

Written by Tong Peng
Pediatrics
Updated on December 18, 2024
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Pediatric hemangiomas are strictly considered a benign condition within vascular malformations. There are various causes, often due to arteriovenous malformations in children during prenatal development, especially due to abnormal proliferation of blood vessel cells during embryonic development, resulting in hemangiomas after birth. As the child ages, the hemangioma tends to grow larger. Additionally, some hemangiomas are caused by trauma in children. During this period, children's skin and mucous membranes are relatively delicate, leading to hemangiomas due to local stimulation of the capillaries by injuries. Therefore, it is best to classify hemangiomas through examination at a reputable hospital. If the hemangioma is located in a particularly sensitive area, early intervention and treatment are necessary.

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Written by Zhang Cui Xiang
Pediatrics
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Best treatment time for infantile hemangioma

The optimal time to treat hemangiomas in infants is generally around the age of one year, as the vascular circulation becomes visible as bright red birthmarks on the baby's body. These types of hemangiomas are cutaneous and can be effectively cured through laser treatment in early childhood. The earlier the treatment is applied, the better the outcome; the effectiveness diminishes over time. If the hemangioma does not affect the infant's appearance and is relatively small, treatment can be postponed. It is advisable to choose the timing of treatment based on the specific circumstances of the infant. If the hemangioma is large, it is recommended to seek timely laser surgery treatment at a reputable tertiary hospital.

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Written by Wu Ben Rong
Pediatrics
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Do hemangiomas in children pulsate?

Children's hemangiomas do not exhibit pulsation. Hemangiomas are benign tumors and can be categorized into true hemangiomas and vascular malformations. However, regardless of the type, hemangiomas generally do not show any obvious symptoms, neither pain nor itchiness. Those that grow on the surface of the skin are easily noticeable due to their obvious location. However, hemangiomas that develop in internal organs usually cannot be detected by oneself; they are typically found during physical examinations. Hemangiomas on the skin surface almost have no impact on children, but those growing in internal organs can be more dangerous if they grow large and rupture, possibly even threatening life. Therefore, if an internal organ hemangioma is discovered, it is crucial to treat it promptly.

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Written by Zhou Chen
Oncology
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Will hemangiomas resolve on their own?

Pediatric hemangiomas are relatively common congenital disorders in pediatric surgery, frequently found on the face, body surface, and limbs. They appear as red or purplish-red protruding lumps with clear boundaries. These lumps do not blanch when pressed, grow in size with the child's growth and development. Clinically, pediatric hemangiomas are categorized into capillary hemangiomas, cavernous hemangiomas, and racemose hemangiomas. Capillary hemangiomas in children often disappear on their own within one to two years, while cavernous and racemose hemangiomas usually require surgical treatment. Thus, it is said that pediatric capillary hemangiomas can regress spontaneously.

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Written by Wu Ben Rong
Pediatrics
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Is it normal for a child to have hemangioma?

It is not normal for children to have hemangiomas. Hemangiomas are usually caused by congenital vascular malformations and may also be caused by hereditary factors resulting in true hemangiomas. However, regardless of the case, they are considered abnormal. Hemangiomas can be divided into two types: true hemangiomas and vascular malformations. True hemangiomas have a certain possibility of self-healing, so parents can temporarily observe. If the child does not heal by themselves after the age of five, timely treatment should be administered. Once a vascular malformation occurs, if it is not treated, it may persist throughout life. If it grows in some inconspicuous places on the skin surface, treatment may not be necessary. However, hemangiomas in the internal organs should receive enough attention and be treated as soon as possible.

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Written by Deng Bang Yu
Otolaryngology
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Is a hemangioma in the nose dangerous?

Nasal hemangiomas are primarily caused by congenital or acquired vascular malformations. The risks associated with them include the following points: First, the vessel walls of hemangiomas are imperfect and prone to bleeding. Excessive bleeding can lead to hemorrhagic shock. Furthermore, significant bleeding can cause blood to flow back into the respiratory tract, leading to coughing fits and even the risk of suffocation. Second, although hemangiomas are benign in nature, a few of them possess the biological characteristic of expansive growth. This characteristic can damage surrounding tissues, such as destroying the wall of the vessel and the structure of the tumor, thereby exhibiting malignant-like biological behavior. Therefore, active treatment is necessary.