Article

Plexiform ameloblastoma presenting as a sinonasal tumor.

Department of Otorhinolaryngology, Hospital Clínic, c/ Villarroel, 170, 08036 Barcelona, Spain.
Archiv für Klinische und Experimentelle Ohren- Nasen- und Kehlkopfheilkunde (impact factor: 1.29). 08/2004; 261(6):304-6. DOI:10.1007/s00405-003-0692-x pp.304-6
Source: PubMed

ABSTRACT Ameloblastomas are the most frequent odontogenic tumours, accounting for 1% of all tumours of the maxilla and mandible. Sinonasal ameloblastomas are most common between the ages of 55 and 65, and mandibular ameloblastomas between 40 and 50. Incidence is higher in males than in females, and there are no differences between races. These locally aggressive tumours originate in the mandible in 80% of cases and in the maxilla in 15-20%. We report an unusual primary nasosinusal ameloblastoma presented in a 68-year-old male. The tumour was completely resected by (para)lateral rhinotomy and treated with postoperative radiotherapy. Histological analysis demonstrated a plexiform ameloblastoma. The patient remains well without disease after 50 months of postoperative follow-up.

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Keywords

50 months
 
aggressive tumours
 
Ameloblastomas
 
common
 
females
 
frequent odontogenic tumours
 
mandible
 
mandibular ameloblastomas
 
maxilla
 
para)lateral rhinotomy
 
plexiform ameloblastoma
 
postoperative follow-up
 
postoperative radiotherapy
 
Sinonasal ameloblastomas
 
tumours
 
unusual primary nasosinusal ameloblastoma