Grading of hypervascular hepatocellular carcinoma using late phase of contrast enhanced sonography-A prospective study

被引:82
作者
Boozari, Bita [1 ]
Soudah, Bisharah [2 ]
Rifai, Kinan [1 ]
Schneidewind, Sabine [1 ]
Vogel, Arndt [1 ]
Hecker, Hartmut [3 ]
Hahn, Andreas [3 ]
Schlue, Jerome [2 ]
Dietrich, Christoph F. [4 ]
Bahr, Matthias J. [1 ]
Kubicka, Stefan [1 ]
Manns, Michael P. [1 ]
Gebel, Michael [1 ]
机构
[1] Hannover Med Sch, Dept Gastroenterol Hepatol & Endocrinol, D-30625 Hannover, Germany
[2] Hannover Med Sch, Inst Pathol, D-30625 Hannover, Germany
[3] Hannover Med Sch, Dept Biometr, D-30625 Hannover, Germany
[4] Caritas Krankenhaus Bad Mergentheim, Dept Internal Med 2, Hannover, Germany
关键词
Contrast enhanced ultrasound; Hepatocellular carcinoma; Tumour grading; DIAGNOSTIC-VALUE; LIVER MASSES; ULTRASOUND; DIFFERENTIATION; CIRRHOSIS; VASCULARITY; GUIDELINES; MANAGEMENT; PATTERNS; CYTOLOGY;
D O I
10.1016/j.dld.2011.01.001
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Background: Outcome of patients with hepatocellular carcinoma is influenced by their histological grade. Invasive biopsy of the lesions is the gold standard in this regard. Aims: We therefore analysed the diagnostic accuracy of contrast enhanced ultrasound for non-invasive grading of hypervascular hepatocellular carcinoma in liver cirrhosis. Methods: According to the tumour perfusion kinetics on contrast enhanced ultrasound two grading groups were prospectively defined: well-differentiated hepatocellular carcinoma (US-G1) and higher grade hepatocellular carcinoma (US-G2/G3). Immediately after contrast enhanced ultrasound-grading, biopsies of hepatocellular carcinoma-lesions (n = 95, 1.2-12.5 cm) were obtained and analysed for tumour grading (G). Descriptive statistics, sensitivity, specificity positive and negative predictive values, diagnostic likelihood ratios and interoperator reproducibility were calculated (kappa). Results: Histologically 77(81.1%) patients had G2-G3 and 18(18.9%) had G1 tumours. Higher grade hepatocellular carcinoma showed more often a washout in the portal or late phase (p < 0.0001). The sensitivity, specificity, positive predictive values and negative predictive values of contrast enhanced ultrasound for grading of hepatocellular carcinoma for all patients were 94% (CI: 72-99%), 95% (CI: 88-99%), 81% and 99% and for patients with tumours < 5 cm 100%(95% CI: 79-100), 96% (95% CI: 80-99), 92% and 100%. Positive and negative diagnostic likelihood ratios' were 18 and 26 and 0.06 and 0, respectively. kappa = 0.941 (p < 0.001). Conclusions: Contrast enhanced ultrasound has a high diagnostic value and reproducibility for non-invasive grading of hypervascular hepatocellular carcinoma >1 cm in patients with liver cirrhosis. (C) 2011 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.
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收藏
页码:484 / 490
页数:7
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