Fine-needle aspiration in head and neck diagnosis.

Fine‐needle aspiration cytology (FNAC) is a simple and inexpensive widely used diagnostic technique for the presurgical pathologic diagnosis of head and neck proliferating lesions.1, 2 This Video S1 shows as examples two of the most common indications (a soft texture latero‐cervical/salivary swelling and a hard texture palatal swelling) (Figure 1) to the preoperative diagnosis by FNAC, the necessary equipment, and the technique. Although FNAC is a well‐established method advised by many physicians since is a safe procedure with minimal possible complications and can be also performed in an outpatient setting, an adequate training period is mandatory to achieve good results in terms of diagnostic accuracy.