Oral leukoplakia is an important premalignant lesion of the oral mucosa.

口腔粘膜白斑病是一种严峻的口腔粘膜癌变前疾病.

互联网

Endometrial hyperplasia with atypia is a premalignant condition, preferably treated with hysterectomy.

内膜增生过长伴有不典型增生属于癌前病变,行子宫切除术更为适合.

互联网

However, prostatic hyperplasia is not a premalignant lesion.

不过, 前列腺增生不是癌前病变.

互联网

Sometimes hyperplasias can be atypical and the cells not completely normal. Such conditions can be premalignant.

有时增生呈不典型,细胞不完全正常,可为恶变前改变.

互联网

Conclusion TSNA is harmful to the hamsters cheek mucosa and is possible to induce premalignant lesions.

结论烟草特异性亚硝胺对地鼠颊粘膜有较大危害,可引起粘膜癌前病变.

互联网