Conclusions Sebaceous gland-like carcinoma is a rare special type of the breast carcinomas, it may originate from sebaceous gland metaplasia of duct epithelia in breast lobule.

• 结论皮脂腺样癌为罕见的特殊类型乳腺癌，可能源自小叶内导管上皮皮脂腺化生。