In the malignant teratoma, the shape was irregular with unclear boundary and uneven size, setting in the near center or scattered in the nucleus.
畸胎癌的颗粒呈圆形或卵圆形、欠规则、边界欠清、大小较不一致，偏中或散在分布于核内。
Malignant degree of immature teratoma can be reverse.
未成熟畸胎瘤的恶性程度可逆转。
Objective to study the clinical and pathological characteristics of ovarian mature cystic teratoma with malignant transformation.
目的探讨卵巢成熟性囊性畸胎瘤恶变的临床病理特点。
Conclusions Primary ovarian malignant melanoma arising from a mature cystic teratoma with malignant change, was a rare neoplasm.
结论卵巢原发性恶性黑色素瘤来源于卵巢成熟的囊性畸胎瘤恶变，是一种罕见的卵巢肿瘤。
The pathologic diagnoses of 22 patients with surgical treatment were nonseminomatous malignant germ cell tumor 12 cases, seminoma 5 cases and immature teratoma 5 cases.
手术治疗患者术后病理为无性生殖细胞瘤12例，精原细胞瘤5例，未成熟畸胎瘤5例。
Malignant lymphoma 27, thymoma 23, teratoma 22, neurogenic tumor 20 and miscellaneous 18 cases were recorded.
恶性淋巴瘤27例，胸腺肿瘤23例，畸胎类肿瘤22例，神经源肿瘤20例，其它18例。
Malignant lymphoma 27, thymoma 23, teratoma 22, neurogenic tumor 20 and miscellaneous 18 cases were recorded.
恶性淋巴瘤27例，胸腺肿瘤23例，畸胎类肿瘤22例，神经源肿瘤20例，其它18例。
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