钙化灶

首发症状中，976%的患者仅表现为乳腺摄影钙化灶（50%为DCIS）；

Mammographic calcification was the only presenting symptom in 9.76 % of patients with DCIS accounting for 50 % of these cases .

乳腺具有钙化灶未触及肿块18例临床分析

An Analysis of Breast Minim Calcification without Palpable Mass in 18 Cases

以CT诊断为金标准回顾性分析医师对每一个病灶或钙化灶的诊断意见。

The diagnosis of every case was analysed .

病灶在CT影像中均表现为低密度影，其中3个有钙化灶。

Arachnoid granulations were manifested low density in CT , 3 of them with calcification .

骨软骨瘤病灶在CT上为膨胀性菜花状骨性肿块，边界清晰不规则，可见软骨帽，内部钙化灶形成。

The lesions of osteochondromatosis were presented as Cauliflower-like swelling of bone mass , Clear irregular boundary , Cartilage cap , Formation of internal calcifications .

CT对于较小的肿块或者发生在较复杂的钙化灶或骨质破坏的显示更清楚，增强扫描有助于病灶成分的辨别。

CT for smaller bump or happened in more complex calcification or bone destruction display more clearly , enhance scan helps to identify the lesions composition .

结果：本病的CT诊断要点为（1）脑内钙化灶为特征性表现，呈点状或弧线状，多见于基底节区，也可见于室管膜下及额叶和顶叶内；

Results : The main diagnostic feature of the entity included : ( 1 ) Widely scattered small nodular or curvilineal calcifications involving the basal ganglia , subependymal region and the frontal or parietal lobes ;

CT检查不但能发现全部患者的心包与胸腔积液，而且还发现了X线胸片上未显示的3例肺内云絮状钙化灶与3例心包壁增厚。

CT studies of the chest could not only find pericardial and pleural effusion in all patients but found intrapulmonary cloud-form calcific foci in 3 cases and thickened pericardial wall in 3 cases , which were invisible on X-ray plain films .

本次研究拟探讨双能量减影图像对于浸润型肺结核病灶及肺内钙化灶的显示能力，是否能比常规DR图像提供更多的影像学信息。

The aim of this study is to determine the value of dual - energy subtraction ( DES ) in infiltrative pulmonary tuberculosis and pulmonum calcification , if DES will provide better news than normal DR.

结果①超声和CT对肝占位内钙化灶的显示率极高，分别为100%和96%，二者比较无显著性差异（P0.05），但优于X线显示率47%（P0.01）。

Results ① Similar displaying rate of calcification was showed in liver lesion by ultrasound ( 100 % ) and CT ( 96 % ) , which were higher significantly than that by X ray ( 47 % , P 0.01 ) .

6h组腹水量增加，呈红色或暗红色血性腹水，胰腺组织呈片状坏死灶，胃网膜、肠系膜处可见少量黄白色点状钙化灶。

6h group of ascites increased , the color was red or dark red bloody ascites , flaky pancreatic necrosis , gastric omentum , mesentery at the small quantity of yellow-white punctate calcification .

12h组腹水颜色进一步加深，但腹水量无明显增加，胰腺质硬，见大片黑色坏死灶，部分胰腺组织呈囊肿样变，大网膜、肠系膜上见多处钙化灶。

12h group the color of ascites was further deepen , but the amount no significant increase , pancreatic texture hard , see large black necrotic foci , some showed cystic degeneration of pancreatic tissue , omentum , superior mesenteric see multiple calcification .

MRI显示7例肿块均伴有视网膜下积液，其中4例显示瘤内的致密钙化灶，1例显示视神经在T2WI呈高信号，增强扫描呈斑点状强化。

On MRI scan in 7 cases , all tumors demonstrated the retinal effusion . The dense areas of calcification were demonstrated in 4 cases . The optic nerve appeared as hyperintense single on T2 weighted images and enhanced with patch areas on postcontrast T1 weighted images in one case .

结论20MHz超高频超声对乳腺内小病变的检查具有重要价值，特别是在乳腺导管内乳头状瘤或癌伴乳腺导管扩张、乳腺肿块内沙粒状钙化灶的检查中具有重要特征。

Conclusion 20 MHz high frequency sonography has great value in the visibility of breast mass , particularly in breast intraductal papilloma or carcinoma with duct dilatation and micro-calcification of breast mass .

乳腺X线摄影钙化灶对乳腺疾病的诊断意义

Diagnostic value of the calcified foci in mammography for breast diseases

否则应诊断为肝内钙化灶。

The diagnosis of hepatic parenchymal calcification may be otherwise confirmed .

肺腺癌、鳞癌肿块内均可见小钙化灶。

Both of pulmonary squamous carcinoma and adenocarcinoma could appear small calcification .

简介目的分析肝内钙化灶的临床和影像特征。

Objective To analyse the clinical characteristics of intrahepatic calcification .

值得注意的是中央处两个大的小叶包含了小钙化灶。

Note that the two large lobules in the center contain microcalcifications .

在瓣膜的表面可见密集的白色钙化灶。

The dense white nodules of calcification are present on either valve surface .

乳腺微小钙化灶的定位切除和病理活检

Localized resection and pathological biopsy of micro-calcifications in breast

微小钙化灶是超声诊断导管型乳腺癌的重要征象。

Microcalcification is an important feature for the ultrasound diagnosis of Ductal Type .

记录每位医师发现的病灶及肺内钙化灶的数量。

Record the every counts of pathology and calcification .

超声探测钙化灶在甲状腺结节诊断中的临床价值

The Clinical Value of Thyroid Calcification Detected by Ultrasonography

X线片上有多形性、集簇性微小钙化灶；

Pleomorphic cluster microcalcifications on X - film ;

滑膜骨软骨瘤病显示滑膜增厚和其内小钙化灶，较大的骨软骨体呈桑椹状表现；

Synovial osteochondromatosis showed synovial thickening and small calcification , large osteochondrous body as mulberry ;

目的了解肝脏钙化灶分布特征及临床意义。

Objective To investigate the features of distribution of liver calcification to explore its clinical significance .

95例中58例有细小钙化灶，32例结构紊乱。

Of the 95 cases 58 have tiny calcified focuses and 32 suffer from structural disorder .

基于小波变换的微钙化灶增强

Enhancement of Microcalcifications Using Wavelets

靠近中心的右上部可见一小钙化灶。

There is even a small area of microcalcification seen just to the upper right of center .