肛周的

Malignant melanoma can occur from skin, or any internal organs, among which skin melanoma is more frequently seen, especially in the skin of legs, cunnus, and crissum. However they have been rarely reported. Malignant melanomas of the internal organs can be easily diagnosed with its specitic MRI features, while the non-melanin contained melanoma which has no imageological specific feature are more difficult to be diagnosed. Because CT examination has no specific feature, MRI should be the first choice, for the suspect patient of malignant melanoma.

恶性黑色素瘤多发生于皮肤、内脏各种组织器官，其中皮肤恶性黑色素瘤多见，以下肢、外阴、肛周最多，鲜有影像报道；发生于内脏的恶性黑色素瘤多因具备特征性的MRI信号得以诊断，而不含黑色素的恶性黑色素瘤影像表现无特征性，诊断困难；CT检查不具备特征性，对于怀疑恶性黑色素瘤的患者，应首选MRI检查。

Then cloacal membrane is divided into urogenital membrane and anal membrane, until the eighth week, anal membrane ruptures to give rise to anus.

随着胚胎发育，尿直肠隔不断下降与泄殖腔膜的距离越来越小，逐渐与泄殖腔膜融合，同时泄殖腔膜也被分为前后两部分，前者为尿生殖膜，后者为肛膜。第8周时，肛膜破裂，肛门形成。

Eighteen (75%) trees were marked with secretion of the crissal gland at an average height of 51.8±15.6cm, and the remaining six were marked with urine at an average height of 64.5±14.5cm.

嗅味标记中，75%的嗅味标记为肛周腺分泌物，标记中心的平均高度为51.8±15.6cm(N=18)，25%为尿液，尿液上沿的平均高度为64.5±14.5cm(N=6)。

Although hormonal suppression often is the therapy of choice in extrapelvic endometriosis , we think surgical excision , respecting the anatomical fiber architecture of the anal sphincter , is the best treatment for perianal endometriosis .

虽然常常是抑制荷尔蒙治疗选择extrapelvic子宫内膜异位症，我们认为手术切除，尊重解剖纤维结构的肛门括约肌，是最好的治疗肛周子宫内膜异位症。

Objective: To research the possibility and clinical value of seating high perianal abscess in the means of limited-seton therapy.

目的：研究适当降低挂线高度的浅挂线法治疗高位肛周脓肿的可行性和临床价值。

MEBO is an ideal medicine to treat the wound of perianal skin ulcer caused by different factors due to its significant effect.

湿润烧伤膏对各种原因引起的肛周皮肤溃疡均有很好的疗效，是治疗此病的理想药物。

BACKGROUND: In this prospective, randomized, double-blind study, we evaluated whether a very low dose of spinal bupivacaine could be sufficient for safe performance of short perianal surgery.

背景：在这个前瞻性，随机双盲研究中，作者评估了极低剂量的布比卡因實otilde；于安全进行短小的肛周手术是否足够。

Dogs; pyometra kills about 1% of intact female dogs

减小肛周瘘管病的几率（这个我完全是直接翻译的医学词汇，有点不太懂

Methods To observe 110 primiparas of 37～40 weeks' pregnancy,head presentation,who can deliver vaginally with distending the vagina and new protecting perineum method but not with perineal lateralis,and compare with the 108 primiparas with traditional protecting perineum method.

选择孕37～42周，经阴道自然分娩，无会阴侧切指征的单胎头位初产妇110例作观察组，在助产中用扩张阴道和改良托肛加指法保护会阴；以往用传统托肛法保护会阴的108例作对照组。

Abstract］ objective to investigate anus sphincter preserved surgical method and indication for low rectal cancer.methods 15 cases with low rectal cancer were operated with eversion and pull-through anus preserved colorectal anastomosis through anus.results no patients died of operation,no patients was with fistula and stricture of anastomosis,no defecation incontinence happened after postoperative 20 weeks,only one patient was with local recurrence.following up for 8 months to 5 years,5 cases were with distant metastasis,4 of these died,one of these had lived with liver metastasis for 3 years.conclusion the indication of anus preserved operation should be chosen according to clinical stage and biological characteristic of rectal malignancy; eversion and pull-through anus preserved colorectal anastomosis through anus is a better anus preserved operation for low rectal cancer.

目的 探讨低位直肠癌保留肛门括约肌功能的手术方法和手术适应证。方法对低位直肠癌经腹经肛门直结肠外翻拉出保留肛门吻合术15例。结果全组无手术死亡，未发生吻合口漏和吻合口狭窄，局部复发1例，20周左右恢复正常排便排气功能，无大便失禁病例。随访8个月～5年，5例为远处转移，死亡4例，其中1例肝转移3年仍生存。结论根据直肠癌的临床分期和肿瘤的生物学特性选择保肛手术适应证，经腹、肛门齿线上直肠癌根治性切除，行肛门直结肠外翻拉出吻合是低位直肠癌较好的保肛术式。

Life. But the intrinsic way of the Internet by wire confines accessing and using of the network information.

然而，Internet固有的有线连接方式大大限制了人们对网络信息的访问和使用。

I have a strong persuasion that this is true .

我坚信这是正确的。