Pulmonary sequestration

A pulmonary sequestration is a medical condition where a piece of tissue that develops into lungtissue is not attached to the pulmonary blood supply and does not communicate with the other lung tissue. Often it gets its blood supply from the thoracicaorta. Communication is a medical phrase indicating that it is not connected to the standard bronchialairways and that it performs no function in respiration.

This condition is normally detected in children and is generally held to be congenitalin nature. The treatment for this is a segmentectomyvia a thoracotomy.

Variations

There are two different kinds of pulmonary sequestrations, intralobarand extralobar. The generally accepted difference between these seems to whether or not the sequestration has its own pleura, although some thoracic surgeonsseem to prefer a definition that relates to the degree of vascularconnection for the sequestration.

Symptoms

Symptoms can vary greatly, but they include a persistent dry cough.

Diagnosis

The gold standardfor diagnosis is a CT Scanwith a contrasting fluid.

Complications

Failure to have a pulmonary sequestration removed can lead to a number of complications. These include:

• It can be fatal if you have hemmoraging of the blood vessels
• It can cause cardiovascular problems due to the creation of a shunt where blood flows in a shortcut through the feed off of the aorta.
• It is necessary to prevent long-term infections. Things like tuberculosis, aspergillosis, bronchial carcinoid, brunchogenic squamous cell carcinoma.

Sources

• {{ Journal reference

| Author=Savic B, Birtel FJ, Tholen W, Funke HD, Knoche R.
| Title=Lung seqestration: report of seven cases and review of 540 published cases
| Journal=Thorax
| Year=1979
| Pages=34:96-101
}}

• {{ Journal reference

| Author=Fabre O, Porte H, Godart F, Rey C, Wurtz A.
| Title=Long-Term Cardiovascular Consequences of Undiagnosed Intralobar Pulmonary Sequestration
| Journal=Annals of Thoracic Surgery
| Year=1998
| Pages=65;1144-6
}}

• {{Book reference

| Author=Ferguson | Title=Gibbons surgery of the Chest | Chapter=Congenital lesion of the lungs and emphysema | Publisher=WB Saunders | Year=1983 | ID=ISBN Unknown |Pages=668-709 |Edition=4th ?}}

• {{ Journal reference

| Author=Rubin E, Garcia H, Horowitz M, Guerra J.
| Title=Fatal Massive Hemoptysia Secondary to Intralobar Sequestration
| Journal=Chest
| Year=1994
| Pages=954-955
}}

• {{Book reference

| Author=Sabiston D, Spencer F. | Title=Surgery of the Chest |Pages=853-862 |Edition=6th}}

External links

• Documentation of a patient experience
• Emedicine on pulmonary sequestrationses:Secuestro broncopulmonar

This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Pulmonary+sequestration Wikipedia article Pulmonary sequestration.