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Tumor of soft tissue both benign and malignant (Peripheral odontogenic…

- - - - Middle-aged
      - Mandibular > maxillary
    - - ไม่ปวด
      - Nonulcerated
      - Sessile or pedunculated
    - - Ameloblastic epithelium that occupy the lamina propria
  - - - Anterior ถึง first molar
    - - Localized sessile or pedunculated gingival masses
    - - Ghost cell
  - - - 20-40 ปี
    - - Sessile gingival mass c
    - - Odontogenic epithelium
        เข้าไปอยู่ใน cellular fibroblastic
- - - - Antoni B area
        
        Schwann cells เรียงตัวไม่ขนานกัน
      - Antoni A area
        
        Verocay bodies
        
        Schwann cells เรียงตัวขนานกัน
    - - Encapsulated mass
    - - Tongue and posterior
        region of mandible
      - Young & middle-aged
  - - - Young adults
      - Tongue, buccal
        mucosa
    - - Soft
      - Painless
      - Smooth-surfaced lesions
    - - Spindle-shaped cells
      - Wavy nucli (ลูกอ๊อด)
- - - - Tobacco smoking
        
        กด P53
      - Viral infection
        Ex. HPV
        
        รบกวน Cell cycle
      - อื่นๆ
        
        Smokeless(spit) tobacco
        
        Betel quid
        
        Alcohol
        
        Phenol
        
        Ultraviolet irradiation
        
        Iron-deficiency anemia
        
        Candidalinfection
        
        Genetic factor
    - - Leukoplakia
      - Erythroplakia
      - Erythroleukoplakia
      - Exophytic
      - Endophytic
    - - Well differentiated
      - Moderately differentiated
      - Poorly differentiated
  - - - อายุมากกว่า 55 ปี
      - ชาย >หญิง
      - ตำแหน่งที่โดนบุหรี่
    - - Thick plaque with papillary projection
    - - Bulbous rete ridges
- - - - Maxillary ridge >Mandibular ridge
      - Lateral incisor and canine teeth
    - - Polypoid mass on the alveolar ridge*
    - - Atrophy of rete ridges