必要时可做醋酸白试验、细胞学检查、组织病理学检查协助诊断。

If necessary, can be used as a test of acetic acid, cytology, pathology to assist diagnosis.

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醋酸白试验：即用5%醋酸溶液外搽或湿敷患处，3 ~5分钟后，病灶局部变白且境界清楚者为阳性。

Acetowhitening test: 5% acetic acid solution Waicha or wet dressing, 3 ~ 5 minutes later, the local white lesions were positive and clear boundary.

youdao

醋酸白试验：即用5%醋酸溶液外搽或湿敷患处，3 ~5分钟后，病灶局部变白且境界清楚者为阳性。

Acetowhitening test: 5% acetic acid solution Waicha or wet dressing, 3 ~ 5 minutes later, the local white lesions were positive and clear boundary.

youdao