小的结节可以穿刺吗？今年一共发现四个结节。2012年就右边一个8mm， 2015年两个，2017年三个。就是个数增加，大小没怎么变化。平时没感觉，激素正常。
CLINICAL HISTORY: E04.1: Thyroid nodule
TECHNIQUE: Real time and color Doppler ultrasound imaging were performed of the thyroid gland and surroundings.
COMPARISON: None.
FINDINGS:
The right thyroid lobe measures 5.9 x 1.2 x 1.7 cm and the left lobe measures 5.0 x 0.9 x 1.5 cm in length, AP and transverse dimensions.
Right lobe:
Nodule 1: Anterior upper pole 4 x 3 x 3 mm or intermediate echogenicity solid nodule. Smooth well-defined margins. No microcalcifications. No internal vascularity. Indeterminate.
Nodule 2: Central interpolar 7 x 3 x 6 mm intermediate echogenicity solid nodule with small cystic component. Smooth well-defined margins. There is a single coarse calcification. No microcalcifications. No internal vascularity. Indeterminate.
Nodule 3: Lower pole 10 x 7 x 9 mm peripherally calcified nodule. No microcalcifications. Smooth well-defined margins. There is internal vascularity. Indeterminate.
Left lobe:
Nodule 1: Anterior lower pole 6 x 3 x 6 mm intermediate echogenicity solid nodule. Smooth well-defined margins. No microcalcifications. There is internal vascularity. Indeterminate.
