Thoracentesis vs. Paracentesis

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(surgery) A medical procedure involving needle drainage of air or fluid from the pleural space.


(surgery) A medical procedure involving needle drainage of fluid from a body cavity, most commonly the abdomen.


The operation of puncturing the chest wall so as to let out liquids contained in the cavity of the chest.


The perforation of a cavity of the body with a trocar, aspirator, or other suitable instrument, for the evacuation of effused fluid, pus, or gas; tapping.


Thoracentesis , also known as thoracocentesis (from Greek θώραξ thōrax 'chest, thorax'—GEN thōrakos—and κέντησις kentēsis 'pricking, puncture'), pleural tap, needle thoracostomy, or needle decompression (often used term) is an invasive medical procedure to remove fluid or air from the pleural space for diagnostic or therapeutic purposes. A cannula, or hollow needle, is carefully introduced into the thorax, generally after administration of local anesthesia.


centesis of the belly to remove fluid for diagnosis



Paracentesis (from Greek κεντάω, ) is a form of body fluid sampling procedure, generally referring to peritoneocentesis (also called laparocentesis or abdominal paracentesis) in which the peritoneal cavity is punctured by a needle to sample peritoneal fluid.The procedure is used to remove fluid from the peritoneal cavity, particularly if this cannot be achieved with medication. The most common indication is ascites that has developed in people with cirrhosis.

‘to pierce’;

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