Causes of pectus carinatum in children

Written by Luo Peng
Thoracic Surgery
Updated on September 06, 2024
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The causes of pigeon chest in children mainly include two aspects, one is congenital and the other is acquired. Among them, congenital pigeon chest and funnel chest both involve hereditary factors. Additionally, if the central attachment point of the diaphragm in a child is underdeveloped, it can also cause pigeon chest, which is also a congenital cause.

Moreover, the acquired causes mainly include malnutrition and some specific thoracic diseases. Malnutrition is often related to rickets. Acquired thoracic diseases involve some diseases of the thoracic cavity, for example, pyothorax leading to flat chest, chest wall deformity, as well as some congenital heart diseases, heart enlargement, which then compresses the sternum causing it.

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Written by Luo Peng
Thoracic Surgery
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How to correct pigeon chest in children

Treatment should be decided based on the specific condition of the child's pigeon chest. For mild to moderate pigeon chest, especially in children, where there is no compression on the heart and lungs, conservative treatment should generally be considered. The best method for correction is to pay attention to posture and engage in appropriate physical exercise. Additionally, a thoracic orthotic can be used; the effects of wearing a thoracic orthotic for correcting mild to moderate pigeon chest are generally quite positive. For severe pigeon chest, particularly when there is compression affecting the heart and lungs and thus impacting cardiac and pulmonary function, surgical treatment should be considered to correct the severe pigeon chest.

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Written by Luo Peng
Thoracic Surgery
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Causes of pectus carinatum in children

The causes of pigeon chest in children mainly include two aspects, one is congenital and the other is acquired. Among them, congenital pigeon chest and funnel chest both involve hereditary factors. Additionally, if the central attachment point of the diaphragm in a child is underdeveloped, it can also cause pigeon chest, which is also a congenital cause. Moreover, the acquired causes mainly include malnutrition and some specific thoracic diseases. Malnutrition is often related to rickets. Acquired thoracic diseases involve some diseases of the thoracic cavity, for example, pyothorax leading to flat chest, chest wall deformity, as well as some congenital heart diseases, heart enlargement, which then compresses the sternum causing it.

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Written by Zhang Zhi Gong
Cardiothoracic Surgery
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Difference between funnel chest and pigeon chest

Pectus excavatum and pectus carinatum are both types of deformities of the anterior chest wall, with pectus excavatum being the most common deformity, accounting for 90% of all anterior chest wall deformities; the incidence of pectus carinatum is only one-fifth to one-sixth of that of pectus excavatum. The shapes of pectus excavatum and pectus carinatum are also completely different. Pectus excavatum appears as if a funnel were placed on the chest, with the funnel receding backward and downward. Therefore, patients with pectus excavatum, when lying down, can observe a depression in the front of their chest, which is even capable of holding a cup of water placed within this funnel-like depression. On the other hand, the deformity in pectus carinatum protrudes forward. One caves inward while the other protrudes forward, thus these two shapes are completely opposite.

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Written by Li Jiao Yan
Neonatology
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Late-stage symptoms of rickets pigeon chest

If a child has developed rickets and has already shown deformities such as pigeon chest, this indicates that the child is in the later stages of the active phase, meaning that a clear skeletal deformity has occurred. As the child ages, there may also be deformities in the lower limbs as the child begins to stand and walk, such as bowlegs or knock-knees, or a K-shaped leg deformity. Gradually, the child will enter the sequelae phase, which is more common in children over the age of two. In infancy, due to severe rickets, different skeletal deformities may remain without any other clinical symptoms. Blood biochemical indicators are normal, and X-ray examinations will show that the pathological changes at the epiphyseal ends of the bones have disappeared. Generally, no treatment is required, but if there are obvious deformities, corrective treatment may be necessary.

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Written by Li Jiao Yan
Neonatology
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How to correct pigeon chest

Pectus carinatum, commonly known as pigeon chest, is a frequent chest wall deformity characterized by a protrusion of the sternum and ribs. It is generally considered to be related to genetics, with most cases thought to be caused by the excessive growth of the ribs and costal cartilages. The skeletal deformation is secondary to the abnormalities in the ribs. Vitamin D deficiency rickets can also lead to the development of pigeon chest. If there is no significant deformation of the chest wall, and only a mild deformity is present, rehabilitative treatment can be effective. Rehabilitation departments offer standard recovery treatments that can be beneficial. Severe cases of pigeon chest may require surgical correction, ideally during adolescence for moderate to severe conditions. Therefore, if a child has pigeon chest, it is recommended to seek medical advice at a hospital, where doctors can determine the treatment approach based on the specific conditions of the child.