钙化

Methods: 24 cases of non-calcified tuberculoma enhanced dynamic CT to observe its enhanced CT value, time-density curve and enhance the characteristics.

对24例非钙化型结核瘤进行动态CT增强，观察其增强后的CT值、时间密度曲线及强化特点。

The main X-ray appearance of earlier period breast cancer are Simple Tuft and Calcification、tuberculum minus、region dysplasia and little patching pykno- shadow.

早期乳腺癌主要X线表现为单纯簇状细微钙化、小结节、局部结构不良和小斑片状致密影。

Results: All cases had a characteristic location along the midline course of the urachus directly behind the anterior abdominal wall or hanging wall.

结果：所有病例病灶都位于近中线处的顶壁或前壁，囊性、囊实性或实性，1例有钙化，增强时有明显强化。

The main manifestations are the renal parenchyma internal low density focus, morphological changes, calcification and possible complicating uronephrosis, ureter, urinary bladder and kidney pathological changes and damages.

结果 肾结核的CT表现随病程、病理的变化而变化，主要表现为实质内低密度灶、形态改变、钙化，并可合并肾积水、输尿管膀胱和肾周改变以及肾功能损害等。

Fourpatientswere diagnosedfree ofASO,and 55 patients exhibited discontinued sclerosis orblock of lower extremity arteries around whichwere plenty ofblood-supply peripheral arteries.Conclusion 64-slice CT angiography can display the featuresof lower extremity arteries clearly,such as vasiform,arterial stenosis degree,occlusion and calcified plaque.

64层螺旋CT血管成像检查可清楚地观察下肢动脉的血管形态及管壁的钙化斑块，了解下肢动脉狭窄程度及闭塞情况，对下肢动脉硬化性闭塞性病变的术前评价、诊断和筛选有较大的帮助。

Largest mass during childhood, but calcifies and shrinks withage.

它在我们幼年时体积最大，随着年龄增长，便逐渐钙化、萎缩。

Purpose To study the clinicopathologic and immunohistochemical features of calcifying fibrous tumor, and to discuss the differential diagnosis.

目的 探讨钙化性纤维性肿瘤(calcifying fibrous tumor， CFT)的临床病理学特徵、免疫表型和鉴别诊断。

Ocean acidification caused by emission of carbon dioxide is particularly detrimental to calcifying organisms.

由於二氧化碳所引起的海洋酸化不利於钙化生物生存。

These two facts about shellfish may sound commonplace, but the calcifying mechanism behind them is rather interesting.

这些很平凡的现象其实背后隐藏著不平凡的钙化机制。

Two common types of calcium carbonate crystal are calcite and aragonite. Many calcifying organisms are able to control the respective growth of these two crystal types which have different solubilities.

常见的碳酸钙结晶有方解石及霰石，钙化生物能控制这两种结晶各别的成长率，这两者在水中有不同的溶解度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。