Fine Needle Aspiration (FNA) is a procedure to investigate lumps or masses. A thin needed is inse...
Fine Needle Aspiration (FNA) is a procedure to investigate lumps or masses. A thin needed is inserted into the mass to gather the sample which is then stained and observed under a microscope. An FNA microscope should have 4x, 10x, 40x, and 60x or 63x ojbectives. Shop our professional microscopes for sale below.