title: Peripheral odontogenic fibroma (WHO type) of the newborn: a case report.
abstract: OBJECTIVE
  The present paper reports a case of peripheral odontogenic fibroma (POF) (WHO type) in a newborn. The differential diagnosis and treatment were discussed.
  
  
  BACKGROUND
  POF is well described in the literature, but this is the first report in a newborn.
  
  
  METHODS
  A 4-month-old female newborn was referred to our department because of an exophytic, sessile, firm, and well-delimited lesion on the right upper alveolar ridge. The covering mucosa was apparently normal. The lesion measuring 10 x 3 mm was present since birth. The clinical diagnosis of congenital granular cell tumour (congenital epulis) or dental lamina cyst of the newborn was made. A conservative excisional biopsy was performed under local anaesthesia, and the specimen was submitted to histopathological examination.
  
  
  RESULTS
  The microscopic examination revealed a pattern of POF (WHO type). Normal primary incisors teeth eruption, and no signs of recurrence were noted on 16 months follow-up.
  
  
  CONCLUSIONS
  Despite the rarity of POF in a newborn, this lesion should be included as a possible diagnosis to focal gingival growth.
authors.affiliation: Stomatology Clinic, Dental School, University of Montes Claros, UNIMONTES, Minas Gerais, Brazil.
authors.forename: H
authors.initials: H
authors.lastname: Martelli-Júnior
authors.forename: R A
authors.initials: RA
authors.lastname: Mesquita
authors.forename: A M B
authors.initials: AM
authors.lastname: de Paula
authors.forename: S P B
authors.initials: SP
authors.lastname: Pêgo
authors.forename: L N
authors.initials: LN
authors.lastname: Souza
mesh_terms: D000539:Alveolar Process / Q000473:pathology* / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D005350:Fibroma / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007223:Infant; D008441:Maxillary Neoplasms / Q000473:pathology* / Q000601:surgery; D009808:Odontogenic Tumors / Q000473:pathology* / Q000601:surgery