Souba, M.D., Sc.D., F.A.C.S. FNA biopsy permits the sampling of cells ... and its contents are expelled onto prepared glass slides, spread into a thin smear, and fixed according to the preferences ...
It is recommended that aspirin or other agents that affect coagulation be discontinued for several days before the procedure. FNA is typically performed using 22 to 25 gauge needles and 10 or 20 ...