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AJNR - American Journal of Neuroradiology

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Power Doppler Sonography to Differentiate Tuberculous Cervical Lymphadenopathy from Nasopharyngeal Carcinoma

Anil Ahuja^,a, Michael Ying^a, Yuen Hok Yuen^a and Constantine Metreweli^a

^a From the Department of Diagnostic Radiology and Organ Imaging (A.A., H.Y.Y., C.M.), The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T., and the Department of Optometry and Radiography (M.Y.), The Hong Kong Polytechnic University, Hung Hom, Hong Kong.

View larger version (151K): [in a new window]   FIG 1. Power Doppler sonogram of a reactive node showing hilar vascularity.FIG 2. Power Doppler sonogram of a malignant node showing capsular vascularity (arrows).FIG 3. Power Doppler sonogram of a malignant node showing hilar (arrows) and capsular (arrowheads) vascularity.FIG 4. Power Doppler sonogram of a tuberculous node showing displaced hilar vessels. Note the adjacent area of cystic necrosis (arrows).FIG 5. Power Doppler sonogram of a tuberculous node showing hilar (arrows) and capsular vascularity (arrowheads).FIG 6. Power Doppler sonogram of an avascular tuberculous node. Note areas of cystic necrosis (arrows)