a.胚細胞腫瘍 Germ cell tumors
1)精細管内胚細胞腫瘍 Intratubular malignant germ cells, ITMGC
2)単一組織型 Tumors of one histological type, pure forms
①セミノーマ Seminoma
亜型:合胞性栄養膜細胞を伴うセミノーマ
(Seminoma with syncytiotrophoblastic cells)
②精母細胞性セミノーマ Spermatocytic seminoma
亜型:肉腫を伴う精母細胞性セミノーマ
(Spermatocytic seminoma with sarcoma)
③胎児性癌 Embryonal carcinoma
④卵黄嚢腫瘍 Yolk sac tumors
⑤多胎芽腫 Polyembryoma
⑥絨毛性腫瘍 Trophoblastic tumors
a)絨毛癌 Choriocarcinoma
b)胎盤部栄養膜細胞性腫瘍 Placental site trophoblastic tumor
⑦奇形腫 Teratomas
a)成熟奇形腫 Mature teratoma
皮様奇形腫 Dermoid cyst
b)未熟奇形腫 Immature teratoma
c)悪性部分を伴う奇形腫 Teratoma with malignant area
3)混合型 Tumors of more than one histological type, mixed forms
b.性索/間質腫瘍 Sex cord/gonadal stromal tumors
1)単一型 Pure forms
①ライディック細胞腫 Leydig cell tumor
②セルトリ細胞腫 Sertoli cell tumor
亜型:a)大細胞性石灰化セルトリ細胞腫 Large cell calcifying Sertoli cell tumors
b)高脂質性セルトリ細胞腫 Lipid-rich Sertoli cell tumors
③顆粒膜細胞腫 Granulose cell tumor
a)成人型顆粒膜細胞腫 Adult type granulose cell tumor
b)若年型顆粒膜細胞腫 Juvenile type granulose cell tumor
④莢膜細胞腫/線維腫群腫瘍 Tumors of the thecoma/fibroma group
2)不完全分化型性索・性腺間質腫瘍
Incompletely differentiated sex cord/gonadal stromal tumors
3)混合型 Mixed forms
4)分類不能型 Unclassified forms |