Needle aspiration biopsy -LRB- NAB -RRB- , also known as fine needle aspiration cytology -LRB- ORGANIZATION@1 -RRB- , fine needle aspiration biopsy -LRB- FNAB -RRB- and fine needle aspiration -LRB- FNA -RRB- , is a diagnostic procedure sometimes used to investigate superficial -LRB- just under the skin -RRB- lumps or masses .

Needle aspiration biopsy -LRB- NAB -RRB- , also known as fine needle aspiration cytology -LRB- ORGANIZATION@1 -RRB- , fine needle aspiration biopsy -LRB- FNAB -RRB- and fine needle aspiration -LRB- FNA -RRB- , is a medical procedure performed to diagnose certain kinds of medical conditions , such as lumps in the neck .
