title: [A child with extraskeletal mesenchymal chondrosarcoma in nasal cavity and sinus: a case report].
authors.affiliation: Department of Otorhinolaryngology Head and Neck Surgery, Qingdao Municipal Hospital (Group), Qingdao 266071, China.
authors.forename: M
authors.initials: M
authors.lastname: Li
authors.affiliation: Department of Otorhinolaryngology Head and Neck Surgery, Qingdao Municipal Hospital (Group), Qingdao 266071, China.
authors.forename: C B
authors.initials: CB
authors.lastname: Guo
authors.affiliation: Department of Radiology, Qingdao Municipal Hospital (Group), Qingdao 266071, China.
authors.forename: J
authors.initials: J
authors.lastname: Xing