Pulmonary sequestration
Pulmonary sequestration (pronunciation: puhl-MON-uh-ree sek-wuh-STRAY-shuhn) is a rare congenital lung disorder characterized by the presence of non-functioning lung tissue that does not communicate with the bronchial tree and receives its blood supply from the systemic circulation. The etymology of the term comes from the Latin sequestrare, meaning "to set aside".
Definition
Pulmonary sequestration is a type of bronchopulmonary foregut malformation (BPFM), a group of anomalies of the respiratory tract. It is divided into two types: intralobar sequestration (ILS) and extralobar sequestration (ELS). ILS is located within a normal lobe of the lung, while ELS is separated from the normal lung and has its own pleural covering.
Symptoms
Symptoms of pulmonary sequestration may include recurrent pneumonia, cough, chest pain, and hemoptysis. However, some individuals with this condition may be asymptomatic.
Diagnosis
Diagnosis of pulmonary sequestration is often made through imaging studies such as computed tomography (CT) scan or magnetic resonance imaging (MRI). These can reveal the abnormal lung tissue and its blood supply.
Treatment
Treatment typically involves surgical removal of the sequestered lung tissue. This can often be performed using minimally invasive techniques such as video-assisted thoracoscopic surgery (VATS).
Prognosis
The prognosis for individuals with pulmonary sequestration is generally good following surgical treatment. However, complications can occur, including infection and bleeding.
See also
External links
- Medical encyclopedia article on Pulmonary sequestration
- Wikipedia's article - Pulmonary sequestration
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