问题 单项选择题

患者女性,57岁,左上腹隐痛不适。B超:脾示实质不均质光团。术中发现脾脏体积增大1倍,脾后侧有直径约7cm的肿瘤与肾被膜粘连。术中切除脾脏连同粘连的后腹膜及部分肾被膜做免疫组化检查,诊断为脾脏B细胞恶性淋巴瘤,下列正确的是

A.Vimentin(+),LCA(+),L-26(+),UCHL(-)
B.Vimentin(-),LCA(-),L-26(+),UCHL(-)
C.Vimentin(+),LCA(-),L-26(-),UCHL(+)
D.Vimentin(+),LCA(+),L-26(-),UCHL(+)
E.Vimentin(-),LCA(+),L-26(+),UCHL(-)

答案

参考答案:A

解析:Vimentin为间叶组织标志物,LCA为淋巴细胞标志物,L-26是B细胞最常用的标志物,而UCHL是标记T细胞的。因此,Vimentin常与LCA、L-26联合应用诊断B细胞恶性淋巴瘤,A正确。

单项选择题 A1型题
单项选择题

In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the (91) half of the 19th century; most of (92) were charitable. Both in Europe and in the U. S. , the day-nursery movement received great (93) during the First World War, when (94) of manpower caused the industrial employment of unprecedented numbers of women. In some European countries nurseries were established (95) in munitions (军火)plants, under direct government sponsorship. (96) the number of nurseries in the U.S. also rose (97) , this rise was accomplished without government aid of any kind. During the years following the First World War, (98) , Federal, State, and local governments gradually began to exercise a measure of control (99) the day nurseries by (100) them and by inspecting and regulating the conditions within the nurseries.
The (101) of the Second World War was quickly followed by an increase in the number of day nurseries in almost all countries, as women were (102) called upon to replace men in the factories. On this (103) the U. S. government immediately came to the support of the nursery schools, (104) $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (105) this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared (106) in day-care centers receiving Federal (107) Soon afterward, the Federal government (108) cut down its expenditures for this purpose and later (109) them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their (110) at the end of the war was only partly fulfilled.

A.regulating

B.summoning

C.allocating

D.transferring