Lumbar puncture.
catheterization
The medical term for surgical puncture of the spine is "lumbar puncture" or "spinal tap." This procedure involves inserting a needle into the spinal canal to collect cerebrospinal fluid for diagnostic or therapeutic purposes.
Pericardiocentesis is the removal by needle of pericardial fluid from the sac surrounding the heart for diagnostic or therapeutic purposes.
A procedure performed with a needle to remove fluid for diagnostic or therapeutic purposes from the tissue covering the heart (pericardial sac).
sputum is phlegm ejected through the mouth that can be examined for diagnostic purposes. is a procedure in which a sample of mucus is coughed up from the lungs and them examined under a microscope to detect cancer cells.
sputum is phlegm ejected through the mouth that can be examined for diagnostic purposes. is a procedure in which a sample of mucus is coughed up from the lungs and them examined under a microscope to detect cancer cells.
catheterization
Biopsy
A biopsy of the enlarged lymph node is the most definitive diagnostic tool for staging purposes.
A biopsy of the enlarged lymph node is the most definitive diagnostic tool for staging purposes.
sputum
aspiration of pericardial fluid for diagnostic purposes or treating cardiac tamponade