The dermatologist is often called upon to evaluate diseases of the oral mucosa. He should be prepared to give expert advice based on sound knowledge of oral diseases. This may be aided by biopsy study if the principles and pitfalls of obtaining and interpreting a biopsy specimen are followed. These are discussed and examples are given to illustrate some of the more common and important problems that may be encountered.
皮肤科医生经常被要求评估口腔黏膜疾病。他应该基于对口腔疾病的扎实了解，准备好提供专业建议。如果遵循获取和解读活检标本的原则及注意事项，活检研究可能会有所帮助。本文将对这些进行讨论，并给出示例来说明可能遇到的一些更常见和重要的问题。
