Öz
Objective: This study aimed to evaluate our ultrasonography-guided fine needle aspiration biopsy results in parotid gland lesions and especially reveal the effects of size and internal structure of the lesions on histopathological results.
Material and Methods: In our study, 156 patients (92 men, 64 women) who underwent fine needle aspiration biopsy under ultrasonography between January 2018 and February 2021 in the Interventional Radiology Unit of our hospital were included. Procedure reports and pathology results of the patients were reviewed retrospectively. The salivary gland Milan system was used for cytopathological evaluation after biopsy.
Results: The diagnostic rate was 94.4%in lesions over 4 cm, and 85.5%in lesions under 2 cm. Lesions reported as non-diagnostic cytology were under 2 cm in 60%of the results, and this rate was found as 33.3%in lesions between 2 cm and 4 cm, and 6.7%in lesions over 4 cm. There was no statistically significant difference between lesion size and diagnostic biopsy (p=0.170). Biopsy success was compared with internal structure of the lesion and statistically significant difference was found (p=0.004). There was no statistically significant difference between internal structure and lesion size in diagnostic cytology (p=0.350). When the post-operative pathology results of 59 patients with diagnostic fine needle aspiration biopsy results were evaluated; the sensitivity, specificity, positive predictive value, and negative predictive value of fine needle aspiration biopsy were 98%, 85%, 96%, and 92%, respectively.
Conclusion: Ultrasonography-guided percutaneous parotid lesion biopsies are safe with low complication rates and have high diagnostic success rates, with high sensitivity and specificity, especially in preoperative diagnosis and operation planning stage for surgeons.