Ultrasound Echo Procedure Needles

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But at the same time, biopsy is also a kind of injury to the body, and there may be damage, so what is the case for fine needle aspiration biopsy? Here I will introduce: the clinical management of thyroid nodules should be based on ultrasound and FNA biopsy results. The new guidelines state that thyroid ultrasound should be performed when patients are at risk for thyroid malignancy, have palpable nodules, multinodular goiter, or lymphadenopathy with suspected malignant lesions. Based on the results of the examination, the necessity of ultrasound-guided fine needle aspiration biopsy was determined. During ultrasound examination, FNA biopsy is recommended for nodules that meet the following conditions: ① solid hypoechoic nodules greater than 10 mm in diameter. ② Thyroid nodule of any size suspected of extracapsular growth or cervical lymph node metastasis on ultrasonography. (3) Children or adolescents with a history of cervical radiation exposure; First-degree relatives of patients with papillary thyroid carcinoma (PTC), medullary thyroid carcinoma (MTC), or multiple endocrine adenomatosis type 2 (MEN2); Patients with thyroid cancer surgery history; Patients whose calcitonin levels were elevated in the absence of any interfering factors. ④ Although the diameter is less than 10 mm, ultrasonography reveals a nodule with signs associated with malignant lesions (hypoechoic and/or irregular border, elongated shape, microcalcification, or disturbance of blood flow signal in the nodule). For multinodular goiter: ① When the nodules conform to the above malignant signs of ultrasound examination, the number of nodules requiring FNA biopsy rarely needs to be more than 2; ② When the isotope scan showed "hot" nodules, FNA biopsy could not be performed; ③ If there is suspicious lymphadenopathy, FNA biopsy should be performed on the swollen lymph nodes and suspicious nodules simultaneously. For mixed (cystic solid) thyroid nodules: ① UGFNA biopsy was performed on the solid part of the thyroid nodules; ② Cytological examination of FNA biopsy samples and aspirated fluid samples was performed simultaneously. For accidental thyroid tumors: ① the treatment should be based on the diagnostic criteria of thyroid nodules; ② For unexpected tumors found by CT or magnetic resonance imaging (MRI), ultrasound examination should be performed before UGFNA. ③ For unexpected tumors detected by 18F-fluorodeoxyglucose positron emission tomography (PET), ultrasound and UGFNA should be performed at the same time because of the high risk of malignancy. The above not only introduces the need for biopsy, but also lets us know some requirements for thyroid nodule disease biopsy. Only in this way can we achieve the purpose of biopsy and achieve the accuracy of disease diagnosis.

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Ultrasound Echo Procedure Needles

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