fnh

Conclusion Multiphasic contrast-enhanced CT scan is specific and accurate in diagnosing FNH and can be used to guide the clinical treatment .

结论CT多期增强扫描对肝脏局灶性结节增生的诊断具有特征性，且较准确，对临床治疗具有指导意义。

FNH showed enhance quickly in atrerial phase but disappeared in parenchymal phase ;

肝局灶性结节增生表现为快速增强，但在实质期开始消退；

Group C included 13 focal nodular hyperplasia ( FNH ) .

C组：肝内局灶性结节性增生（FNH）13例。

Conclusion MR and CT especially dynamic contrast enhancement is of great value to the diagnosis of FNH .

结论MR、CT尤其是动态增强是诊断肝FNH的有效方法。

Results Primary hepatocellular carcinoma and FNH had definitely various enhanced pattern on contrast enhance ultrasound .

结果肝细胞肝癌和肝局灶性结节增生的超声造影增强模式各有特点，其鉴别要点主要在于病灶的充盈方式及消退时间。

Focal nodular hyperplasia ( FNH ) is not a genuine tumor .

肝脏局灶性结节增生（FNH）不是真正的肿瘤。

Conclusion Helical CT demonstrates characteristic features of FNH , it is of great value in diagnosing FNH .

结论FNH在螺旋CT扫描上表现具有特征性，螺旋CT诊断FNH具有重要价值。

Focal nodular hyperplasia ( FNH ) is a benign lesion of the liver .

局灶性结节性增生（focalnodularhyperplasia，FNH）是发生于结构正常肝脏的一种良性局部病变。

Conclusion Conclusion SPIO enhanced MRI can provide evidence regarding tissue composition which is helpful for the diagnosis of FNH .

结论SPIO增强扫描进一步从组织成分方面为FNH诊断提供依据。

Clinical Application of Rapid Dynamic Gd DTPA enhanced MR Imaging in Liver : Dynamic enhanced MRI Manifestations of Small HCC and FNH

肝脏Gd-DTPA快速动态增强MRI的临床应用&较小HCC与FNH的动态增强表现

Objective To analyze and evaluate helical CT findings of focal nodular hyperplasia ( FNH ), and to improve its diagnostic accuracy .

目的：分析研究肝脏局灶性结节增生（FNH）的螺旋CT表现，以提高其诊断正确率。

[ Conclusion ] The VEGF and BMP-2 genes expressions are inhibited in FNH model induced by LPS and MPS .

[结论]在LPS加MPS制作的兔股骨头坏死模型中，股骨头内的VEGF和BMP-2基因表达均受抑制。

Methods The diagnosing results of gray-scale ultrasound , color Doppler ultrasound and contrast-enhanced ultrasound in 17 case of FNH were compared and analyzed .

方法对17例FNH的灰阶超声、彩色多普勒超声、超声造影诊断情况进行分析比较。

BACKGROUND & OBJECTIVE : Focal nodular hyperplasia ( FNH ) is a rare benign hepatic tumor , and its diagnosis and treatment remain controversial .

背景与目的：肝脏局灶性结节性增生（focalnodularhyperplasia，FNH）临床上较少见，其诊断标准和治疗方法争论较大。

However , the signal intensity showed few changes in hepatic metastases and only a little positive or negative enhancement in angioma 、 HCC and FNH .

肝内病灶中HCC、肝转移瘤信号强度无明显变化或呈轻度负性强化。肝血管瘤等良性病灶信号在扫描延迟期可见轻度正性强化作用。

Purpose : In this study the value of contrast-enhanced sonography in the diagnosis of hepatic focal nodular hyperplasia ( FNH ) was assessed .

目的：探讨超声造影诊断肝脏局灶性结节状增生的价值。

Objective : To evaluate features of focal nodular hyperplasia ( FNH ) at three-phasic helical Computed Tomography ( CT ) .

目的评价肝局灶性结节状增生（FNH）螺旋CT三期扫描的影像特征。

Purpose : To evaluate the CT appearance of focal nodular hyperplasia ( FNH ) of the liver , a rare hepatocellular proliferative lesion .

目的：探讨肝脏局灶结节性增生（focalnodularhyperplasia，FNH）这种较少见的肝细胞良性占位性病变的CT特征。

Atypical helical CT features of FNH include heterogeneous enhancement in hepatic arterial phase , absence of central scar , and presence of pseudocapsule .

FNH不典型的CT征象是动脉期不均匀强化、无中央瘢痕、存在假包膜。

Conclusion : Most FNH having characteristic findings on MRI , can be correctly diagnosed . To FNH , the value of MRI diagnosis is higher than CT .

结论：绝大多数FNH在MRI上有特征性的征象，MRI可以明确诊断，MRI对FNH的诊断价值高于CT。

The small hepatic cancers , focal nodular hyperplasia ( FNH ), and regenerated nodules had different signal changes on the Feridex images , which made the differential diagnoses easier .

菲立磁应用后小肝癌和容易与肝癌混淆的局灶性结节增生和再生结节信号变化明显不同。菲立磁增强后扫描，肝脏T2WI、T1WI信号均较增强前下降（P<001）；

Conclusion : The unenhanced and dynamic contrast-enhanced MRI scanning can fully show the pathologic and the blood supplying characteristics of FNH and improve differentiating ability from other malignant hypervascular tumors .

结论：平扫和动态增强MRI检查能较全面显示FNH的病理特征和血供特点，明显地提高与其他富血管恶性肿瘤的鉴别诊断能力。

Conclusion helical CT dynamic three phases scanning can reflect the blood supplying and pathologic features of FNH , and , therefore , it is of great value in diagnosing and differentiating FNH .

结论螺旋CT动态三期扫描可以反映FNH的血供和病理特点，在诊断和鉴别诊断中起重要作用。

Aneuploid peak appeared in ( 33.3 % )( 6 / 18 ) HCC which were vested in typical group and didn 't appeared in non-typical group and FNH .

同时18例典型组中33.3%（6/18）出现异倍体峰，不典型组与FNH组均未出现异倍体峰。

Objective : To evaluate the diagnostic value and imaging characteristics of Doppler ultrasonography ( DUS ) and contrast-enhanced ultrasonography ( CEUS ) in focal nodular hyperplasia ( FNH ) .

目的：探讨多普勒超声（DUS）和造影增强超声（CEUS）对肝脏局灶性结节样增生（FNH）的诊断价值和影像表现。

Results 17 female and 8 male FNH patients aged 14 to 58 ( median 38 ) years of age , all alpha fetoprotein negative , asymptomatic and normal biochemical liver tests in most cases .

结果25例肝局灶性结节性增生，男性17例，女性8例，年龄14～58岁，平均38岁。

12 central scars and 3 thicken central vessel and 3 pseudocapsule of FNH were found on non-contrast enhanced MRI , more than on non-contrast enhanced CT .

MRI平扫共见中心瘢痕12个、中央粗大血管3条、假包膜数2个，均多于CT平扫所见。

Methods To analyse retrospectively the clinical and imaging materials of 18 patients with FNH and 254 patients with AFP negative HCC proven by operation and pathology during March 1996 to March 1999 in our institute .

方法回顾性分析本所1996年3月～1999年3月三年间经手术病理证实的18例FNH及254例AFP阴性肝癌的临床、影像学资料。

The classical form of FNH was defined by the presence of 4 characteristic histologic features : nodular central stellate scar , abnormal nodular architecture , malformed vessels , and cholangiolar proliferation .

经典型FNH具有4种特征性形态学改变：即结节中央有星状瘢痕、异常结节状结构、畸形血管和毛细胆管增生。

The diagnostic accuracy rate of CEUS in FNH was 87.5 ( 14 / 16 ) and the accurate benign nature prediction rate was 100 , showing significant difference ( P < 0.01 ) compared with that of DUS .

延迟相病灶呈等增强或稍高增强（93%）。CEUS对FNH诊断的准确符合率为87.5%，诊断为良性病变的准确符合率达100%，与DUS比较差异有显著意义（P<0.01）。