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- W2355669464 abstract "Objective To discuss the two-dimensional and color Doppler ultrasonographic characteristics of thyroid carcinoma and improve the accuracy of early diagnosis and differential diagnosis. Methods Pre-operational ultrasonic characteristics of 40 patients with thyroid carcinoma which were confirmed by pathology were analyzed. The emphases were the internal and edge echo, blood flow velocity, resistance index and the spectral flow Doppler pattern. Results In all patients, 26 patients had single lump, 10 with nodular goiter, and 4 with thyroid adenoma. Thirty-one patients' lumps were low heterogeneous echo, 29 patients' had calcification, 5 patients' had liquescence. Twenty-two patients' lumps had abundant blood flow, 16 patients' manifested streak-like blood flow, 2 patients' had no blood signal. The pulse Doppler showed that the average blood flow velocity was 25.2 cm/s. The characteristics of spectral Doppler were: the velocity peak of 31 patients moved ahead, the average resistance index was 0.67. Conclusion When diagnosing thyroid carcinoma with ultrasound, we must emphasize: ①the internal echo of lump is lower, ②the lump has no capsule, ③microcalcification appear in the lump, ④the echo behind the lump is weakened, ⑤abundant blood flow appear in the lump, ⑥the resistance index is high, ⑦the peak of spectral Doppler moves ahead, ⑧the minimum velocity in diastole is less than the half of the peak in systole, ⑨metastatic lymph nodes at cervix are enlarge. If five points above appear, thyroid carcinoma could be diagnosed." @default.
- W2355669464 created "2016-06-24" @default.
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- W2355669464 date "2006-01-01" @default.
- W2355669464 modified "2023-09-26" @default.
- W2355669464 title "Ultrasonic characteristics of thyroid carcinoma" @default.
- W2355669464 hasPublicationYear "2006" @default.
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