Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

| A | | 1 | | B | | b | | C | | 人才招聘 | | D | | | | E | | 电子 | | F | | f | | G | | 克 | | H | | h | | I | | 我 | | J | | j | | K | | k | | L | | 升 | | M | | 米 |
| N | | n | | O | | o | | P | | p | | Q | |常见问题 | | R | | 研究 | | S | | | | T | | 吨 | | U | | u | | V | | v | | W | | 瓦特 | | X | | x | | Y | | y |

Why is it necessary?为什么要呢？ of Rectal examination直肠检查

Rectal examination is essential if the medical history suggests a disorder in the lower abdomen, pelvis, lower rectal or anal region.直肠指检是必不可少的，如果医学史表明，秩序混乱的下腹部，骨盆，下段直肠癌或肛门区域。 It is also important in a male patient if there is any suggestion of enlargement of the prostate gland - usually a benign condition, but sometimes due to cancer.它也是重要的一男性病人，如果有任何的建议，扩大对前列腺-通常是一种良性的条件，但有时因癌症。 By feeling through the front wall of the rectum, the doctor can check whether the prostate gland is bigger than it should be, and may distinguish smooth enlargement from the irregular enlargement that can sometimes indicate cancer.由感觉通过前墙直肠，医生可以检查是否有前列腺大于应，并有可能区分顺利扩大，从不规则的扩大，可有时表明，癌症。

Rectal examination may reveal disorders such as internal piles (these may require proctoscopy using a small telescope device - see Haemorrhoids), ano-rectal abscesses, polps and especially cancers of the rectum.直肠指检可能揭示出疾病，如内部桩（这些可能需要proctoscopy使用小型望远镜装置-见痔疮） ，年度直肠脓肿， p olps，尤其是癌症的直肠。 Rectal cancer is one of the commonest of all cancers.直肠癌是一种常见的所有癌症。 Rectal examination may also provide information about disorders in adjacent structures, such as the neck of a woman's womb (cervix).直肠指检，也可以提供信息障碍的毗邻结构，如颈部一名女子的子宫（子宫颈） 。

The wall of the rectum is thin, and other parts can be felt through it.墙上的直肠是薄，和其他部分可以认为，通过它。 Enlarged ovaries can sometimes be felt.扩大卵巢，有时可以感受到。 Tenderness may be localised, if due to inflammation or other disorders in the pelvis.压痛可能局部性的，如果因炎症或其他疾病在骨盆腔。 An inflamed appendix, or an appendix abscess, can often be felt on rectal examination (see Appendicitis).附录一发炎，或附录一脓肿，常常可以感受到对直肠指检（见阑尾炎） 。 Sometimes a simultaneous vaginal examination is done.有时同时阴道检查是做了。