Journal
ULTRASOUND IN MEDICINE AND BIOLOGY
Volume 42, Issue 9, Pages 2189-2195Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2016.05.012
Keywords
Microvascular ultrasonography; Superb Microvascular Imaging; Power Doppler ultrasonography; Cervical lymph node; Metastasis; Tuberculosis; Vascular pattern
Funding
- Korea University Grant [K1523551]
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This study was undertaken to evaluate the usefulness of vascular pattern analysis on microvascular ultrasonography in distinguishing metastatic lymphadenopathy from tuberculous lymphadenitis, compared with conventional power Doppler ultrasonography, and to evaluate inter-observer agreement for microvascular ultrasonography. Thirty-four patients with metastatic lymphadenopathy and 27 patients with tuberculous lymphadenitis were included. The level of inter-observer agreement was excellent or good for all aspects of vascular pattern analysis on both ultrasonographic examinations. Vascular distribution, internal vascularity and internal vascular features of lymph nodes on microvascular ultrasonography differed significantly different (p <= 0.002) between metastatic lymphadenopathy and tuberculous lymphadenitis. A central vascular pattern with displacement was prevalent in metastasis, and an avascular pattern was more frequent in tuberculosis. Internal vascularity of metastasis was higher than that of tuberculosis. Vascular patterns on power Doppler ultrasonography did not differ significantly. Vascular pattern analysis using microvascular ultrasonography can be helpful in differentiating metastatic lymphadenopathy from tuberculous lymphadenitis with good inter-observer agreement. (C) 2016 World Federation for Ultrasound in Medicine & Biology.
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