Department of Ophthalmology, University of Michigan, Ann Arbor, MI 48105, USA.
Ophthalmic Plast Reconstr Surg. 2012 May-Jun;28(3):e67-8. doi: 10.1097/IOP.0b013e3182271ac5.
A 45-year-old woman with a medial canthal mass associated with new-onset epiphora was found to have a darkly pigmented mass arising from the lacrimal sac wall because of intranasal pencil trauma 40 years before. Resection of the graphite-induced granuloma with dacryocystorhinostomy was curative.
一位 45 岁女性，因鼻内铅笔外伤 40 年前出现泪囊壁色素性肿块，伴新出现的溢泪，被发现患有内侧泪点肿块。通过切除石墨诱导的肉芽肿并进行泪囊鼻腔吻合术，该患者得到治愈。
