Ameloblastoma
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Ameloblastoma

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    Ameloblastoma Ameloblastoma Presentation Transcript

      • A CASE REPORT ON AMELOBLASTOMA
    • 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.
    • CASE REPORT
      • 60 year old female
      • c/o swelling on right cheek since 2 years.
    • Extra orally; 1 year back
    • Swelling 1 year back Present size
    • Intra oral swelling
    • 1 year back Present oral swelling
      • Provisional diagnosis –
      • AMELOBLASTOMA
      • Differential diagnosis –
      • 1) Odontogenic Keratocyst
      • 2) Central giant cell granuloma
      • 3) CEOT
      • 4) Odontogenic myxoma
      • 5) COC
    • INVESTIGATIONS
      • Radiological – OPG, lateral occlusal mandibular radiograph
      • Complete blood picture, CT, BT
      • Incisional biopsy
    • Present radiograph 1 year back
    • Bicortical expansion
    •  
    •  
    •  
      • Differential diagnosis –
      • 1) central giant cell granuloma
      • 2) odontogenic Keratocyst
      • 3) odontogenic myxoma
      • 4) ossifying fibroma
    • central giant cell granuloma
    • Odontogenic Keratocyst Right body and ramus of the mandible
    • 03/27/10 Odontogenic myxoma
    • DISCUSSION
      • 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
    • 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
    • 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
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