\n\n
胚胎发育过程中,原始生殖腺先在卵黄囊形成,然后移行至后腹膜的生殖脊,并发育成卵巢或睾丸,最后分别下降至盆腔或阴囊。在此过程中,原始生殖细胞可发生“异位定植”,如定植于纵膈、后腹膜、骶尾部、颅内等。因此,生殖细胞肿瘤除发生在卵巢和睾丸外,还可以发生于生殖腺外,且绝大多数位于人体的中线部位,常见的有颅内、纵膈、后腹膜和骶尾部。
\n\n \n\n\n'}],docid:k,op_doctors:[{prefix:e,sole:0,text:j,hprank:h,drid:11240,hpid:0,icon:N,position:S,hospital:m,doctor_type:0,doctor_clickable:1,hospital_clickable:0,department:v,weight:0,follow:0,name:"陈忠平"}],size:0,abs:"生殖细胞肿瘤是由原始生殖细胞或者多能胚胎细胞形成的肿瘤,多数发生于生殖腺,即卵巢和睾丸。胚胎发育过程中,原始生殖腺先在卵黄囊形成,然后移行至后腹膜的生殖脊,并发育成卵巢或睾丸,最后分别下降至盆腔或阴囊。在此过程中,原始生殖细胞可发生“异位定植”,如定植于纵膈、后腹膜、骶尾部、颅内等。因此,生殖细胞肿瘤除发生在卵巢和睾丸外,还可以发生于生殖腺外,且绝大多数位于人体的中线部位,常见的有颅内、纵膈、后腹膜和骶尾部。颅内生殖细胞肿瘤是良性肿瘤吗?生殖细胞肿瘤能治愈吗? 生殖细胞肿瘤会影响生育吗?生殖细胞肿瘤好发于什么年龄?生殖细胞肿瘤患者的手术治疗",op_keyword:[],tid:26,duration:0,diseases:[{name:"脑肿瘤"}],releasetime:T,title:"什么是生殖细胞肿瘤?",md_text:'生殖细胞肿瘤是由原始生殖细胞或者多能胚胎细胞形成的肿瘤,多数发生于生殖腺,即卵巢和睾丸。
\n\n胚胎发育过程中,原始生殖腺先在卵黄囊形成,然后移行至后腹膜的生殖脊,并发育成卵巢或睾丸,最后分别下降至盆腔或阴囊。在此过程中,原始生殖细胞可发生“异位定植”,如定植于纵膈、后腹膜、骶尾部、颅内等。因此,生殖细胞肿瘤除发生在卵巢和睾丸外,还可以发生于生殖腺外,且绝大多数位于人体的中线部位,常见的有颅内、纵膈、后腹膜和骶尾部。
\n\n 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