Principles of tumor surgical management

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vaseghi abolfazl

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Principles of tumor surgical management

  1. 1. PRINCIPLES OF SURGICAL MANAGEMENT OF JAW TUMORS
  2. 2. many tumors behave similarly and therefore canbe treated in a similar manner The three mainmodalities of surgical excision of jaw tumors are (1)enucleation (with or without curettage),(2) marginal (i.e.,segmental) or partial resection,(3) composite resectionMany benign tumors behave nonaggressively andare therefore treated conservatively withenucleation, curettage, or both
  3. 3. Aggressiveness of LesionSurgical therapy of oral lesions ranges fromenucleation or curettage to composite resection.Histologic diagnosis positively identifies andtherefore directs the treatment of the lesion.Because of the wide range in behavior of orallesions, the prognosis is related more to thehistologic diagnosis, which indicates the biologicbehavior of the lesion, than to any othersingle factor.
  4. 4. Those factor are• Anatomic Location of Lesion• Duration of Lesion• Reconstructive Efforts
  5. 5. Jaw TumorsTreated• with Enucleation, Curettage, or Bothunlike that described for cysts. However, additional procedures,such as sectioning large calcified masses with burs in odontomasand cementomas, may be required• with Marginal or PartialResectionWhen the lesion is known to be aggressive, by histopathologicdetermination or by its clinical behavior, or it is of such a consistencythat total removal by enucleation, curettage, or both would bedifficult, removal may be facilitated by resecting the lesion withadequate bony margins.
  6. 6. MALIGNANT TUMORS OF THE ORAL CAVITY• Malignancies of the oral cavity may arise from a variety of tissues, such as salivary gland, muscle, and blood vessels, or may even present as metastases from distant sites.• Clinical staging refers to assessing the extent of the disease before undertaking treatment and has as two purposes: (1)selection of the best treatment (2) meaningful comparisonof the end results reponed from different sources
  7. 7. Treatment Modalities for Malignancies• Radiotherapy• Chemotherapy• Surgery

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