Objective To assess the imaging of the normal anatomy of anal canal and complex anal sphincter apparatus in magnetic resonance(MR).
目的 探讨正常肛管及肛门括约肌解剖结构的磁共振（MR）表现。
参考来源 - 肛管正常解剖结构的MRI研究—《现代医学》—2007年第2期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
N the terminal part of the rectum forming the passage to the anus 肛门管
Objective: to explore the causes of constipation by displaying the functional and anatomic abnormalities of continuity between anal canal and rectum with defecography.
目的通过便秘患者的排粪造影资料显示其肛管直肠形态及功能，寻找便秘原因。
Though the two terms are often used interchangeably, the colon technically excludes the cecum (a pouch at the Beginning of the large intestine), rectum, and anal canal.
虽然结肠和大肠常交替使用，但一般结肠不包含盲肠、直肠和肛管等部分。
Objective To explore the nursing approach of photodynamic therapy(PDT) of perianal/anal canal condyloma acuminatum with topical adminstration of 5-aminolevulinic acid(ALA).
目的探讨5-氨基酮戊酸光动力疗法治疗肛周-肛管尖锐湿疣患者的护理方法。
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