问题 问答题 案例分析题

病历摘要:女性,33岁。无特殊不适,常规体检,体查肝稍大。行CT检查。

3.鉴别诊断有哪些?

答案

参考答案:

1、肝海绵状血管瘤:CT平扫为低密度,多期增强扫描显示动脉期肿瘤边缘结节状强化,逐渐向中央扩展,最后增强密度下降呈待密度,呈“快进慢出”特征。

2、肝细胞腺瘤:临床与口服避孕药有关;肿瘤有完整包膜,边缘清楚,CT平扫为低密度,动脉期明显强化,随后逐渐下降至等密度,最终恢复为低密度。

3、肝癌:临床有相应症状,AFP升高;平扫为低密度,境界清楚或模糊,增强扫描动脉期明显强化,门脉期增强密度迅速下降,平衡期恢复为低密度,呈“快进快出”特征;肿瘤内部可出现液化坏死,并可出现转移征象。

4、纤维板层肝癌:纤维板层肝癌肿块较大,直径大多在10cm以上,除瘢痕外,肿块密度不均匀,强化不均匀。肿瘤可侵犯胆管、门静脉或肝静脉,有时可见癌栓,可有淋巴结、其他脏器的转移。

单项选择题

Anthropology is the study of human beings as creatures of society. It (1) its attention upon those. physical characteristics and industrial techniques, those conventions and values, which (2) one community from all others that belong to a different tradition.

The distinguishing mark of anthropology among the social sciences is that it includes for serious study other societies (3) our own. For its purposes any social (4) of mating and reproduction is as significant as our own. To the anthropologist our customs and those of a New Guinea tribe are two possible social schemes for (5) a common problem, and in so far as he remains an anthropologist he is (6) to avoid any weighting of one (7) the other. He is interested in human behavior, not as it is shaped by one tradition, our own, but as it has been shaped by any tradition (8) He is interested in a wide (9) of custom that is found in various cultures, and his object is to understand the way in which these cultures change and (10) , the different forms through which they express themselves and the (11) in which the customs of any peoples function in the lives of the (12) .

Now custom has not been commonly regarded as a (13) of any great moment. The inner workings of our own brains we feel to be uniquely (14) of investigation, but custom, we have a way of thinking, is behavior at its most commonplace. (15) , it is the other way round. Traditional custom is a mass of detailed behavior more astonishing than (16) any one person can ever evolve in individual actions. Yet that is a rather (17) aspect of the matter. The fact (18) first rate importance is the predominant role that custom (19) in experience and belief, and the very great varieties it may (20)

4()

A.regulation

B.execution

C.prosecution

D.disposition

选择题