“…Early reports actively discouraged the use of incisional biopsy and FNA due to potential complications of hemorrhage, infection and tumor seeding. 1,3,9,10 More recent reports describing FNA of head and neck lesions have shown these previous beliefs to be unfounded. 11,12 With this paradigm shift and advances in endoscopic ultrasonography-FNA 7,13,14 and percutaneous CTguided biopsy, 15 sampling of the PTS has become a common first step in diagnosis.…”