Ameloblastoma
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Ameloblastoma Presentation Transcript

  • 1.
    • A CASE REPORT ON AMELOBLASTOMA
  • 2. INTRODUCTION
    • True neoplasm of odontogenic epithelium
    • Term “ Ameloblastoma” coined by Churchill – 1934.
    • “ Unicentric, nonfunctional, intermittent in growth, anatomically benign, clinically persistent”.
    • 2 nd most common odontogenic neoplasm, & represents 1% of all oral odontogenic epithelial tumors & 11% of all odontogenic tumors.
  • 3. CASE REPORT
  • 4.
    • 60 year old female
    • c/o swelling on right cheek since 2 years.
  • 5. Extra orally; 1 year back
  • 6. Swelling 1 year back Present size
  • 7. Intra oral swelling
  • 8. 1 year back Present oral swelling
  • 9.
    • Provisional diagnosis –
    • AMELOBLASTOMA
    • Differential diagnosis –
    • 1) Odontogenic Keratocyst
    • 2) Central giant cell granuloma
    • 3) CEOT
    • 4) Odontogenic myxoma
    • 5) COC
  • 10. INVESTIGATIONS
    • Radiological – OPG, lateral occlusal mandibular radiograph
    • Complete blood picture, CT, BT
    • Incisional biopsy
  • 11. Present radiograph 1 year back
  • 12. Bicortical expansion
  • 13.  
  • 14.  
  • 15.  
  • 16.
    • Differential diagnosis –
    • 1) central giant cell granuloma
    • 2) odontogenic Keratocyst
    • 3) odontogenic myxoma
    • 4) ossifying fibroma
  • 17. central giant cell granuloma
  • 18. Odontogenic Keratocyst Right body and ramus of the mandible
  • 19. 03/27/10 Odontogenic myxoma
  • 20. DISCUSSION
  • 21.
    • Etiology –
    • Varied origin
    • cell rests of enamel organ
    • Epithelium of odontogenic cysts
    • Disturbances of developing enamel organ
    • Basal cells of surface epithelium of the jaws
    • Heterotopic epithelium in other parts of the body
  • 22. CLINICAL FEATURES
    • Wide age range, but uncommon in children and adults < 20 yrs of age
    • Posterior mandible
    • Asymptomatic, often discovered on routine radiographs
    • As tumor grows, painless enlargement may be noted
  • 23. RADIOLOGICAL FEATURES
    • Unilocular radiolucency, especially early lesions that often progress to multilocular ( soap-bubble, honeycomb )
    • May be associated with impacted tooth
    • Cortical expansion and thinning
    • Resorption of adjacent tooth roots, displacement of teeth can be seen
  • 24.  
  • 25.  
  • 26.