Odontogenic tumors
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Odontogenic tumors
- 1. ODONTOGENIC TUMORS D R . S H U B H A N G I M I S H R A 1 Dr. Shubhangi Mishra
- 3. BENIGN TUMORS 3 Dr. Shubhangi Mishra
- 4. Tumors arising from Odontogenic Epithelium 4 Dr. Shubhangi Mishra
- 5. Ameloblastoma • Adamantinoma (from the Greek word adamantinos, meaning "very hard") • Adamtoblastoma • Multilocular Cyst 5 Dr. Shubhangi Mishra
- 6. Pathogenesis • Cell rests of Serres • Cell rests of Malassez • Epithelium of dentigerous cyst • Developing enamel organ • Basal cells of surface epithelium 6 Dr. Shubhangi Mishra
- 11. Clinical Features 11 Dr. Shubhangi Mishra
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- 18. Radiographic features 18 Dr. Shubhangi Mishra
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- 24. Histological features 24 Dr. Shubhangi Mishra
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- 34. Treatment and Recurrence 34 Dr. Shubhangi Mishra
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- 36. Squamous Odontogenic Tumor 36 Dr. Shubhangi Mishra
- 37. Pathogenesis • Cell rests of Serres • Cell rests of Malassez 37 Dr. Shubhangi Mishra
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- 39. Clinical Features • 11 to 67 years • Slight Male preponderance • Mandible > Maxilla • Maxilla: incisor-cuspid area • Mandible: bicuspid-molar area • Asymptomatic mostly • Mobility of involved teeth, pain, tenderness 39 Dr. Shubhangi Mishra
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- 44. DD • Acanthomatous Ameloblastoma • Squamous cell carcinoma 44 Dr. Shubhangi Mishra
- 45. Calcifying epithelial Odontogenic Tumor • Pindborg tumor 45 Dr. Shubhangi Mishra
- 46. Pathogenesis • Cells of stratum intermedium • Cells of reduced enamel epithelium 46 Dr. Shubhangi Mishra
- 47. Clinical Features • Middle age (40 years) • No sex predilection • Mandible > maxilla • Molar region > Bicuspid area • Asymptomatic/ painless swelling • 52% associated with unerupted or impacted tooth 47 Dr. Shubhangi Mishra
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- 53. Adenomatoid Odontogenic Tumor • Adenoameloblastoma • Ameloblastic Adenomatoid Tumor 53 Dr. Shubhangi Mishra
- 54. Pathogenesis • Enamel organ • Lining of dentigerous cyst • Cell rests of Malassez • Cell rests of Serres 54 Dr. Shubhangi Mishra
- 55. Clinical Features • Mostly associated with unerupted maxillary cuspid • < 20 years of age • Female preponderance • Maxilla > Mandible • Anterior > posterior 55 Dr. Shubhangi Mishra
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- 60. Tumors arising from Odontogenic Epithelium WITH Odontogenic Ectomesenchyme with or without hard tissue formation 60 Dr. Shubhangi Mishra
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- 62. Ameloblastic Fibroma • Soft mixed odontogenic tumor • Soft mixed odontoma • Fibroadamantoblastoma 62 Dr. Shubhangi Mishra
- 63. Clinical features • Similar to AMELOBLASTOMA • Slow growing • Younger persons • Accidental finding/ pain, tenderness, mild swelling 63 Dr. Shubhangi Mishra
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- 67. Ameloblastic Fibro-odontoma 67 Dr. Shubhangi Mishra
- 68. Clinical features • Males > females • Maxilla = Mandible • Associated with impacted tooth • Mostly below 11.5 years of age • Swelling and failure of tooth eruption 68 Dr. Shubhangi Mishra
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- 72. Odontoma • Compound composite odontome • Complex composite odontome 72 Dr. Shubhangi Mishra
- 73. Clinical features • Maxilla > Mandible • Compound Odontomes: Anterior maxilla • Complex Odontomes: Posterior jaws • Mean age of detection 15 years 73 Dr. Shubhangi Mishra
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- 76. Central Odontoma Peripheral Odontoma Erupted Odontoma 76 Dr. Shubhangi Mishra
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- 81. Dentinogenic Ghost cell tumor 81 Dr. Shubhangi Mishra
- 82. Clinical features • Second and third decades of life • No gender predilection • More commonly in elderly • Anterior jaws 82 Dr. Shubhangi Mishra
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- 85. Tumors arising from Odontogenic Ectomesenchyme WITH or WITHOUT INCLUDED Odontogenic Epithelium 85 Dr. Shubhangi Mishra
- 86. Odontogenic fibroma • Central • Peripheral 86 Dr. Shubhangi Mishra
- 87. Clinical features • 5-65 years • Mandible > Maxilla • Slow growing 87 Dr. Shubhangi Mishra
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- 91. Can be confused with OSSIFYING FIBROMA 91 Dr. Shubhangi Mishra
- 92. Odontogenic Myxoma 92 Dr. Shubhangi Mishra
- 93. Pathogenesis • Myxomatous degeneration of fibrous stroma • From mesenchymal portion of tooth germ 93 Dr. Shubhangi Mishra
- 94. Clinical features • Locally invasive • Second or third decade of life • Slight predilection for mandible 94 Dr. Shubhangi Mishra
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- 100. Cementoblastoma • Benign cementoblastoma • True cementoma 100 Dr. Shubhangi Mishra
- 101. • From cementoblasts • Quite distinctive • But rare! 101 Dr. Shubhangi Mishra
- 102. Clinical features • Mostly under 20 years of age • Mandible > maxilla • Mandibular first molar 102 Dr. Shubhangi Mishra
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- 107. Cemento-ossifying fibroma 107 Dr. Shubhangi Mishra
- 111. MALIGNANT TUMORS 111 Dr. Shubhangi Mishra
- 112. Ameloblastoma Carcinoma • Carcinoma ex ameloblastoma • De novo ameloblastic carcinoma 112 Dr. Shubhangi Mishra
- 113. • Along with LOCAL INVASION • SPREADS to regional lymph nodes and/or distant sites such as lungs and bones 113 Dr. Shubhangi Mishra
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- 115. Primary Intraosseous Carcinoma • Rare type of Squamous cell carcinoma • Arises from odontogenic epithelium and NO INITIAL CONNECTION TO SURFACE EPITHELIUM • Rarely from heterotopic salivary gland tissue • METASTASIS 115 Dr. Shubhangi Mishra
- 116. • Solid PIOC • Cystic PIOC • Intraosseous mucoepidermoid carcinoma 116 Dr. Shubhangi Mishra
- 118. Sclerosing Odontogenic Carcinoma Clear cell Odontogenic Carcinoma Ghost cell Odontogenic Carcinoma 118 Dr. Shubhangi Mishra
- 119. Odontogenic Sarcoma • Ameloblastic fibrosarcoma • Ameloblastic Sarcoma 119 Dr. Shubhangi Mishra
- 120. • Mostly from ameloblastic fibroma • Or may be de novo • Features of malignancy with cellular atypia and mitotic activity in connective tissue 120 Dr. Shubhangi Mishra
- 121. QUERIES? POST THEM ON SHUBHSMISHRA38@GMAIL.COM 121 Dr. Shubhangi Mishra