Complications after fine-needle aspiration cytology and core-needle biopsy in benign head & neck neoplasms.
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INTRODUCTION: Benign neck masses are one of the most common causes of clinical consultation in head & neck (H&N) clinics. Fine needle aspiration cytology (FNAC) and core needle biopsy (CNB) have become among the main strategies for the diagnostic work-up of palpable and non-palpable neck lumps. Moreover, numerous studies have established the safety, high diagnostic yield, and added value of image-guided H&N biopsies, which play an important role in diagnosis, staging, and treatment planning, and can obviate the need for surgery for many patients. Nonetheless, despite the success of both techniques, there is a lack of recent studies regarding their safety and associated complication rates. MATERIAL & METHOD: A retrospective analysis was performed of prospective data on patients undergoing ultrasound-guided FNAC or CNB for benign H&N disease (e.g., salivary gland benign tumors, branchial cleft cyst, thyroglossal duct, cyst, lipoma, or neurinoma) between June 2016 and June 2021 in a tertiary university hospital. RESULTS: Overall, 192 patients were included (105 [54.7%] men and 87 [45.3%] women). The Kolmogorov-Smirnov test indicated that our data were normally distributed (p = 0.452). The mean age of enrolled patients was 54 ± 10 (range: 18-87). The anatomical site most commonly affected was a major salivary gland (74%). Regarding incidence and type of complications, nine (4.7%) patients experienced complications, infection being the most common problem. The risk of complications was highest in patients with branchial cleft cysts who had undergone FNAC (p = 0.028). Overall, the risk of complications was not associated with the type of technique (p = 0.603; OR: 0.942; 95% confidence interval = 0.245-3.624). CONCLUSION: According to our results, FNAC and CNB are generally safe and reliable procedures in the diagnostic work-up of H&N lumps. Nevertheless, physicians should be aware of certain risks associated with these procedures.