A solid mass will typically appear on the ultrasound as a bright spot in the fetus’s chest cavity. Thanks to improvements in prenatal imaging, most cases of BPS are discovered during routine ultrasounds between 18 to 20 weeks' gestation. This unusual condition makes diagnosis challenging. A child can also develop a hybrid lesion, which has characteristics of both a BPS and CCAM. While similar in some ways, BPS and CCAM are unique conditions that require individualized treatment. In rare cases - when the lesion has grown abnormally large, is restricting lung growth or impairing blood flow, putting your baby at risk for heart failure - fetal intervention may be necessary.īronchopulmonary sequestration is one of several types of congenital lung lesions and may be confused with congenital cystic adenomatoid malformation (CCAM). Most children with bronchopulmonary sequestration can be safely treated with surgery after birth. Surgery is needed to remove the abnormal tissue. While some cases of small extralobar BPSs will not require surgery, large extralobar BPSs and all intralobar BPSs can lead to breathing problems, infection, and life-threatening complications like heart failure. Treatment for bronchopulmonary sequestration depends on the type and size of lung lesion, as well as whether the condition is causing any serious health complications for mother or baby. These masses are characterized by abnormal blood supply, in which a systemic arterial blood vessel coming from the aorta feeds the lung mass. The abnormal lung tissue does not function like normal lung tissue. It can form outside (extralobar) or inside (intralobar) the lungs, but is not connected directly to the airways. Bronchopulmonary sequestration, also known as BPS or pulmonary sequestration, is a rare birth defect in which an abnormal mass of nonfunctioning lung tissue forms during prenatal development.
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