Answer to the letter to the editor of F.-A. Dauchy et al. concerning manuscript "intradural extramedullary primary hydatid cyst of the spine: a case report and review of literature". Eur Spine J, doi:10.1007/s00586-012-2373-1 by I. Lotfinia, S. Sayyahmelli, A. Mahdkhah, M. Shoja M (2012): recurrences in spinal echinococcosis

针对F.-A. Dauchy等人关于“脊柱硬膜内髓外原发性包虫囊肿：病例报告及文献综述”一文的致编辑信函，特此回复。Eur Spine J, doi:10.1007/s00586-012-2373-1，作者为I. Lotfinia、S. Sayyahmelli、A. Mahdkhah、M. Shoja M (2012)，文章标题为“脊柱棘球蚴病复发”。