Hangzhou medical science external hemorrhoids, anus tai hospital? Haemorrhoids located inside anal mucosa called hemorrhoids, medial to the anus, mouth nearby called external piles, both some called mixed hemorrhoid. Performance was, pain, bloody and severe hemorrhoids, hemorrhoids block will protrude outside the anus (prolapse), after defecate to retract. A high incidence of hemorrhoids, hemorrhoids patients after treatment with surgery or other treatment, the recurrence rate is high. Investigate its reason, in addition to the treatment is not completely, do not pay attention to prevent the occurrence of hemorrhoids, is also the first element.
杭州医博肛泰医院科普外痔疮?痔核位于肛门里面黏膜的称为内痔，位于肛门口内侧邻近称为外痔，二者都有的称为混合痔。痔疮的表现是患处作痛、便血、严峻时，痔块会凸出肛门外(脱垂)，排便后才缩回。痔疮的发病率很高，痔疮患者经手术治疗或其它办法治疗后，反复率亦较高。究其原因，除治疗不外，不注意防止痔疮的发生，也是首要的要素。
杭州医博肛泰医院科普外痔疮.痔疮的原因
1、肛垫下移学说：杭州医博肛泰医院科普外痔疮在肛管的粘膜下有一层环状的有静脉(或称静脉窦)、平滑肌、弹性安排和结缔安排组成的肛管血管垫，简称“肛垫”。起闭合肛管、节制排便作用。正常情况下，肛垫疏松地附着在肛管肌上，杭州医博肛泰医院科普外痔疮排便时首要遭到向下的压力被推向下，排便后借其自身的缩短作用，缩回到肛管内。弹性回缩作用削弱后，肛垫则充血、下移构成痔。
2、静脉曲张学说：杭州医博肛泰医院科普外痔疮从解剖学上看，肛门静脉体系及其分支直肠静脉都无静脉瓣，血液易于淤积而使静脉扩张，加之直肠上、下静脉丛壁薄、位浅、抵抗力低，结束直肠粘膜下安排又松懈，都有利于静脉扩张，若加上各种静脉回流受阻的要素，如常常便秘、妊娠、前列腺肥胖及盆腔内巨大肿瘤等，都可使直肠静脉回流发生妨碍而扩张曲折成痔。杭州医博肛泰医院科普外痔疮肛门腺及肛周感染也可引起静脉周围炎，静脉失掉弹性而扩张成痔。
3、遗传学说：杭州医博肛泰医院科普外痔疮痔疮是否会遗传，现在无切当依据，痔疮患者常有宗族史，可能与食物、排便习惯及环境有关。如在非洲村庄患痔者罕见，可能与高纤维食物饮食有关。现在，在发达国家多食高纤维饮食，杭州医博肛泰医院科普外痔疮除了防范大肠癌的发生，也可减低痔的发病率。
杭州医博肛泰医院科普外痔疮.都有哪些症状表现？
肛肠医院温馨提示：杭州医博肛泰医院科普外痔疮.如果您也有疑似症状，请及时到正规的专科医院清扫或治疗，以免失掉治疗时间。
1, anal cushion down theory: under the mucous membrane of anal canal with a layer of annular vein (or venous sinus), smooth muscle and elastic tubing arrangement and connective, arrangement of blood vessels pads, hereinafter referred to as "anal cushion". A closed anal canal, temperance defecation function. Under normal circumstances, anal cushion loose adhesion on the anal muscle, downward pressure on top during defecation was pushed to the defecation borrow its shortened, back in the anal canal. Elastic function weakened retraction, anal pad hyperemia, down hemorrhoid.
2, varicose veins theory: from the point of view of anatomy, the anal vein system and its branch rectal vein free vein flap of blood sedimentation easily and make the vein expansion, coupled with a rectal upper and lower venous plexus thin wall, a shallow, low resistance, the end of the rectal submucosal arrangement and lax, is conducive to vein expansion, if combined with the elements of vein is blocked, such as constipation, obesity in pregnancy, prostate and pelvic cavity often large tumor, etc., can make the rectum twists and turns into a hemorrhoid venous return obstruction and expansion. Anal gland and crissum infection can also cause inflammation around vein, venous lose elasticity and expansion into hemorrhoid.
3, genetic theory: hemorrhoids is genetic, now no one in the right basis, hemorrhoids patients often clan history, may be related to food, bowel habit and environment. Such as villages in Africa suffer from hemorrhoids is a rare, may be associated with high fiber food diet. Now, in the developed world eating high-fiber diet, in addition to prevent the occurrence of colorectal cancer, also can reduce the incidence of hemorrhoids.
What are the symptoms?
Anorectal hospital warm prompt: if you have symptoms of suspected, please timely to normal hospital cleaning or treatment, so as not to lose time.
