paracentesis
/ˌparəsɛnˈtiːsɪs
/noun (plural paracenteses /ˌparəsɛnˈtiːsiːz/) [mass noun] Medicine
The perforation of a cavity of the body or of a cyst or similar outgrowth, especially with a hollow needle to remove fluid or gas.Patients with new-onset ascites or clinical deterioration should undergo paracentesis....
- A paracentesis done upon admission to the hospital was negative for tumor cells.
- In patients with cirrhosis, ascites is treated with paracentesis and spironolactone.
Origin
Late 16th century: via Latin from Greek parakentēsis, from parakentein 'pierce at the side'.