Abstract：Objective To investigate the characteristics of color Doppler ultrasonography of acquired immune deficiency syndrome (AIDS) complicated with cervical lymphadenopathy. Methods A total of 40 patients with AIDS and cervical lymphadenopathy admitted to Jiangxi Chest Hospital from January 2019 to December 2020 were selected as the research objects. All of them are diagnosed by color Doppler ultrasonography, and after ultrasound diagnosis are further pathological diagnosis by puncture (gold standard). Results The results of color Doppler ultrasonography diagnosis of AIDS complicated with cervical lymphadenopathy showed that in the classification of lesions, the coincidence rate of ultrasound diagnosis of inflammatory reactive lymph nodes was 91.30%, the coincidence rate of ultrasound diagnosis of tuberculous lymph nodes was 88.89%, and the diagnosis of metastatic lymph nodes was diagnosed by ultrasound. The coincidence rate was 83.33%, and the coincidence rate of ultrasound diagnosis of lymphoma was 100.00%. The sonogram of inflammatory reactive lymph nodes showed that the morphology of lymph nodes was relatively regular, mostly oblong or oval, most of the lesions had no adhesion or fusion, echoes was mostly hypoechoic and relatively uniform, and L/S≥2 , and it seed that the lymphatic hilum was slightly offset or localized in the center; color Doppler flow imaging(CDFI): the blood supply in some lymph nodes was slightly increased, and the dendritic blood flow signal detected at the lymphatic hilum. The sonogram of tuberculous lymph nodes showed that the shape of the lymph nodes was oval or irregular, the lesions was mostly beaded, and the echoes was mostly uneven and hypoechoic, L/S＜2; CDFI: blood flow signal disorder, cut back. The sonogram of metastatic lymph nodes showed that: the lesions of the lymph nodes did not merge in the early stage, and the fusion phenomenon occurred in the late stage, and the shape of the lesion was nearly round and irregular, and the echo was mostly uneven and hypoechoic, L/S=1, and The lymphatic hilum was deformed,shifted, or disappeared. CDFI: The blood flow was abundant and unevenly distributed. The sonogram of lymphoma shows that the morphology of lymph nodes was usually round, and the lesions was mostly without fusion. The echo is uniform and mainly hypoechoic, L/S≤1, and the lymphatic hilum was offset; CDFI: lesion location exploration and the blood flow patterns were diverse, and the internal blood flow signals was abundant. The resistance index (RI), minimum blood flow velocity (Vmin) and maximum blood flow velocity (Vmax) of inflammatory reactive lymph nodes were lower than those of tuberculous lymph nodes, metastatic lymph nodes and lymphomas, and the difference was statistically significant (P＜0.05). Conclusion Color Doppler ultrasonography of AIDS with cervical lymphadenopathy has the advantages of high resolution, non-invasiveness and painlessness, and can diagnose the degree of cervical lymphadenopathy and the relationship with blood vessels.
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