title: [Report of 4 cases ectopic meningioma of maxillary sinus in children and the review of relative literatures].
abstract: OBJECTIVE
  To explore the clinical manifestation and diagnosis as well as the treatment of ectopic meningioma of maxillary sinus in children.
  
  
  METHODS
  Four cases of ectopic meningioma of maxillary sinus in children were investigated with retrospective analysis and review of the literatures.
  
  
  RESULTS
  All the four cases presented progressing nasal obstruction and 1 case showed exophthalmos. Ball-like neoplasma in lateral wall of nasal cavity could be seen. CT revealed high density shadow and bone absorption around the lesion. The complete resection of neoplasma were performed. There was No relapse after 4 to 6 years following up.
  
  
  CONCLUSIONS
  CT plays an inportmentrole in diagnosis of ectopic meningioma of maxillary sinus. The best method of treatment is to completely resect the
authors.affiliation: Department of Otolaryngology, Zhongnan Hospital, Wuhan University, Wuhan, 430071, China. zhouxuhong62@126.com
authors.forename: Xuhong
authors.initials: X
authors.lastname: Zhou
authors.forename: Jun
authors.initials: J
authors.lastname: Li
authors.forename: Tao
authors.initials: T
authors.lastname: Peng
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000473:pathology*; D008444:Maxillary Sinus Neoplasms; D008578:Meninges / Q000473:pathology*; D008579:Meningioma