title: Fine-needle aspiration cytology.
abstract: Fine-needle aspiration is a rapid, safe and accurate technique for diagnosing a variety of radiologically evident or palpable lesions. Cellular material is obtained from suspicious areas with an 18- to 23-gauge needle. The technique can be applied to lesions of the breast, prostate, thyroid and subcutaneous tissue, as well as to many pulmonary and intra-abdominal lesions.
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis; D001707:Biopsy, Needle / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods*; D001943:Breast Neoplasms / Q000175:diagnosis; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis; D008297:Male; D009369:Neoplasms / Q000175:diagnosis / Q000473:pathology*; D011471:Prostatic Neoplasms / Q000175:diagnosis; D013048:Specimen Handling; D013964:Thyroid Neoplasms / Q000175:diagnosis