Usefulness of fine-needle aspiration in parotid diagnostics

Abstract

FNA cytology is useful in avoiding surgery (inflammatory lesions) or limiting surgical procedures (benign tumours). For planning the extent of surgery of malignant parotid tumours, the histological subtype and/or grade should be determined; therefore, a histological diagnosis by frozen section analysis is required. Moreover, reliance on FNA findings at the expense of clinical, radiographic, and intraoperative findings is unwarranted. Regardless of whether FNA is used routinely or selectively in patients with parotid masses, the findings should contribute to, and not replace, the overall diagnostic impression.

Canalicular Adenoma of the Parotid Gland: A Rare Case Report and Review of Literature

“…FNA is considered a safe, soft, and cost-effective diagnostic modality that causes little discomfort to the patient and carries less risk than more invasive procedures in terms of specimen acquisition [24]. However, the effectiveness of FNA has been disputed [25,26]. Furthermore, when FNA is used during cytological examination of head and neck lesions, accuracy is lowest for lesions of the parotid gland [25,27].…”

“…However, the effectiveness of FNA has been disputed [25,26]. Furthermore, when FNA is used during cytological examination of head and neck lesions, accuracy is lowest for lesions of the parotid gland [25,27]. This inaccuracy may be due to the complexity, diversity and relatively low incidence rate of parotid gland tumors [25,27,28].…”

“…Furthermore, when FNA is used during cytological examination of head and neck lesions, accuracy is lowest for lesions of the parotid gland [25,27]. This inaccuracy may be due to the complexity, diversity and relatively low incidence rate of parotid gland tumors [25,27,28]. Although this makes FNA an ancillary diagnostic modality regarding parotid gland tumor diagnosis, it remains effective at differentiating malignant and benign tumors [29].…”

Histopathological Diversity in Parotidectomy Materials in Turkish Population: Clinicopathologic Analysis and Demographic Features of 136 Cases in a Tertiary Care Hospital

“…The accuracy rate of FNAC was 91%. The accuracy rates for parotid lesions the cytological assessment of which are slightly more challenging were reported to be up to 97% (Salgarelli et al, 2009;Ali et al, 2012;Nguansangiam et al, 2012).…”

“…About 80-85% of parotid tumors, which display a wide histopathological variety, are benign and the most prevalent type of neoplasia is pleomorphic adenoma (PA) with 60-80%, leading to difficulties in diagnosis but also have different biological behavior which results in a therapeutic challenge. More extensive information can be obtained about parotid gland masses via assessment techniques such as fine needle aspiration biopsy (FNAB) which began to be utilized on a routine basis recently, computerized tomography (CT) and magnetic resonance imaging (MRI), and thus therapeutic methods may be determined more appropriately (Salgarelli et al, 2009).…”