Cancer of the anal region. The anus is the lower end of the rectum, but because it has a complex structure different from the rectum, anal cancer is treated as a disease independent of rectal cancer. The incidence rate is relatively low, accounting for 3-8% of all colorectal cancers. Treatment involves rectal resection with adequate dissection of the perineum and lymph nodes, taking into account the characteristics of lymphatic flow and the tendency for surrounding areas to infiltrate. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
肛門部の癌。肛門は直腸の下端であるが,直腸とは異なる複雑な構造をしているので,肛門癌は直腸癌から独立した疾患として取扱われている。発生頻度は比較的低く,全大腸癌の3~8%である。治療は,リンパ流の特徴と周囲浸潤傾向を考慮し,会陰部ならびにリンパ節の郭清を十分に加えた直腸切断術を行う。
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
…In 1852 (the second year of the Xianfeng era), h...
…As many dictionaries agree, the word “theatre” i...
The capital of Hungary. Located in the central-no...
A method of raising chickens in which one or two c...
...Nakahara vinegar from Sagami, Zentokuji vinega...
Born: March 2, 1800, Tambov [Died] July 11, 1844. ...
1892-1955 A nationalist from the Taisho to Showa ...
…For a = 4, if x n is less than 1/2, set it as A ...
Born: April 18, 1882 in Nagano Died: August 14, 19...
...Lightweight (0.8-1.2 for structural use, 0.5 o...
A sales method in which orders are received by ma...
Year of death: 4/4/1784 (5/21/1784) Year of birth:...
...The strong expressive power of the music, whic...
...It incorporates the theories and methods of me...
This dammed lake is located in Kamikochi in the N...