title: [Epibulbar osseous choristoma: two case reports].
abstract: BACKGROUND
  Epibulbar osseous choristoma is a congenital tumor consisting of normal tissue arising in an abnormal location. CARE REPORTS: We report two cases of epibulbar osseous choristoma discovered in 7- and 3-year-old girls.
  
  
  METHODS
  A calcified tumor was located regarding the temporal bulbar conjunctiva of the left eye. The rest of the ophthalmological examination was normal. Second case: During strabismus surgery, we unexpectedly discovered a white calcified mass located on the superior temporal part of the right eye. In both cases, a total excision was performed. Histopathological examination of the excised choristoma confirmed the diagnosis.
  
  
  CONCLUSIONS
  Epibulbar osseous choristoma is a small unique nodule usually located on the superior temporal quadrant of the eye. Rarely reported in the literature, most cases are not recognized clinically and the diagnosis is essentially histopathological.
  
  
  CONCLUSIONS
  Epibulbar osseous choristoma is a rare benign childhood tumor with an essentially histopathological diagnosis.
authors.affiliation: Service d'Ophtalmologie, Hôpital Habib Thameur de Tunis, Montfleury, Tunisie.
authors.forename: S
authors.initials: S
authors.lastname: Trojet
authors.forename: H
authors.initials: H
authors.lastname: Kamoun
authors.forename: M A
authors.initials: MA
authors.lastname: El Afrit
authors.forename: H
authors.initials: H
authors.lastname: Mazlout
authors.forename: O
authors.initials: O
authors.lastname: Khayat
authors.forename: I
authors.initials: I
authors.lastname: Loukil
authors.forename: M
authors.initials: M
authors.lastname: Ben Ayed
authors.forename: A
authors.initials: A
authors.lastname: Kraiem
mesh_terms: D001842:Bone and Bones; D002648:Child; D002675:Child, Preschool; D002828:Choristoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D005128:Eye Diseases / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D016896:Treatment Outcome