The appearances of oesophageal carcinoma demonstrated on high-resolution, T2-weighted MRI, with histopathological correlation

被引:109
作者
Riddell, A. M.
Allum, W. H.
Thompson, J. N.
Wotherspoon, A. C.
Richardson, C.
Brown, G.
机构
[1] Royal Marsden Hosp NHS Fdn Trust, Dept Radiol, London SW3 6JJ, England
[2] Royal Marsden Hosp NHS Fdn Trust, Dept Surg, London SW3 6JJ, England
[3] Royal Marsden Hosp NHS Fdn Trust, Dept Histopathol, London SW3 6JJ, England
[4] Royal Marsden Hosp NHS Fdn Trust, Dept Diagnost Imaging, London SW3 6JJ, England
关键词
oesophageal cancer; MRI; morphology;
D O I
10.1007/s00330-006-0363-6
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 [临床医学]; 100207 [影像医学与核医学]; 1009 [特种医学];
摘要
This paper describes the spectrum of imaging features of oesophageal adenocarcinoma seen using high-resolution T2-weighted (T2W) magnetic resonance imaging (MRI). Thirty-nine patients with biopsy-proven oesophageal adenocarcinoma were scanned using an external surface coil. A sagittal T2W sequence was used to localise the tumour and to plan axial images perpendicular to the tumour. Fast spin-echo (FSE) T2W axial sequence parameters were: TR/TE, 3,300-5,000 ms/120-80 ms; field of view (FOV) 225 mm, matrix 176x512(reconstructed) mm to 256x224 mm, giving an in-plane resolution of between 1.28x0.44 mm and 0.88x1.00 mm, with 3-mm slice thickness. Thirty-three patients underwent resection and the MR images were compared with the histological whole-mount sections. There were four T1, 12 T2, and 17 T3 tumours. The T2W high-resolution MRI sequences produced detailed images of the oesophageal wall and surrounding structures. Analysis of the imaging appearances for different tumour T stages enabled the development of imaging criteria for local staging of oesophageal cancer using high-resolution MRI. Our study illustrates the spectrum of appearances of oesophageal cancer on T2W high-resolution MRI, and using the criteria established in this study, demonstrates the potential of this technique as an alternative non-invasive method for local staging for oesophageal cancer.
引用
收藏
页码:391 / 399
页数:9
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