title: Retinoblastoma presenting as orbital cellulitis: report of four cases with a review of the literature.
abstract: OBJECTIVE
  To analyze the clinical and histopathological features of retinoblastoma presenting as orbital cellulitis.
  
  
  METHODS
  Retrospective analysis of case records and review of the histopathology of four patients with retinoblastoma presenting as orbital cellulitis.RES U LTS On histopathological examination, all eyes showed anterior segment involvement with extensive necrosis. One case had a well-differentiated tumor and one showed extraocular extension of the tumor.
  
  
  CONCLUSIONS
  Advanced necrotic retinoblastoma with anterior segment involvement may often present as orbital cellulitis.
authors.affiliation: Medica Research Foundation, Sankara Nethralaya, Chennai, India.
authors.forename: Manisha
authors.initials: M
authors.lastname: Agarwal
authors.forename: Jyotirmay
authors.initials: J
authors.lastname: Biswas
authors.forename: Krishnakumar
authors.initials: K
authors.lastname: S
authors.forename: Mahesh P
authors.initials: MP
authors.lastname: Shanmugam
mesh_terms: D000869:Anterior Eye Segment / Q000473:pathology; D002481:Cellulitis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D008297:Male; D009916:Orbital Diseases / Q000175:diagnosis*; D019572:Retinal Neoplasms / Q000175:diagnosis*; D012175:Retinoblastoma / Q000175:diagnosis*; D012189:Retrospective Studies