Accuracy of high-resolution sonography compared with magnetic resonance imaging in the diagnosis of head and neck venous vascular malformations

被引:23
作者
Ahuja, AT [1 ]
Richards, P [1 ]
Wong, KT [1 ]
Yuen, EHY [1 ]
King, AD [1 ]
机构
[1] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Diagnost Radiol & Organ Imaging, Shatin, Hong Kong, Peoples R China
关键词
head and neck; haemangioma; venous vascular malformation; sonography;
D O I
10.1016/S0009-9260(03)00290-3
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
AIMS: To evaluate whether modern ultrasound examination helps to establish the diagnosis of head and neck venous vascular malformations (VVMs) and whether it can delineate their full extent. MATERIALS AND METHODS: Sonographic appearances of 30 head and neck VVMs were assessed for: location, extent, internal architecture, presence of flow and phleboliths. These results were compared with the magnetic resonance imaging (MRI) of the same patients. RESULTS: The lesions showed well-defined margins (22 of 30,73%), heterogeneous (30 of 30, 100%) and hypoechoic echo pattern (27 of 30, 90%), with sinusoidal spaces (28 of 30, 93%) and phleboliths (24 of 30, 80%) on grey-scale imaging, and flow signal on Doppler (28 of 30, 93%). For delineating the extent, ultrasound was comparable with MRI in 53% (16 of 30) and inferior to MRI in 47% (14 of 30). Ultrasound did not detect deeper extent, intra-osseous involvement and other clinically occult VVMs. CONCLUSION: Ultrasound with high-resolution transducers can confidently suggest the diagnosis of head and neck VVMs in up to 90% of cases, and delineate the full extent of some superficial lesions. The major disadvantage is its inability to evaluate intra-osseous involvement and the entire extent of large, deep-seated lesions. (C) 2003 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:869 / 875
页数:7
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