临床体表肿块常见乳腺、甲状腺、肿大淋巴结以及体表可触及部位,如何明确肿块的性质是诊断的首要任务。细针穿刺细胞学检查(fine needle aspiration cytology,FNAC)是肿瘤诊断中的一种重要检查方法,具有准确、便捷、快速和经济安全等优点,能在较短的时间内提供较为准确的细胞学诊断,从而明确疾病性质、指导临床治疗和判断预后,并可 Clinical surface lumps common breast, thyroid, enlarged lymph nodes and body surface can reach the site, how to determine the nature of the lump is the primary task of diagnosis. Fine needle aspiration cytology (FNAC) is an important method in the diagnosis of tumors. It has the advantages of accuracy, convenience, rapidity and economic safety. It can provide more accurate cytology in a short period of time Diagnosis, so as to clarify the nature of the disease, to guide clinical treatment and prognosis, and may