Further Reading/Reference: https://books-library.net/files/download-pdf-ebooks.org-1519330145Iz3C6.pdf
it is also known as keratocystic odontogenic tumor ( KOT)
also known as osteogenic sarcoma
HPV- induced local epithelial hyperplasia.
Caused by HPV-B and HPV-32
SEX- no gender prediliction
SITE- labial, lingual, buccal mucosa.
- Papular in nature
- broad based
- same colour as skin-pale/white.
- 0.3-1 cm, discrete ,well demarcated plaques
- smooth surfaced/flat topped are commonly seen.
- they cluster closely together that they give COBBLE STONE/FISSURED APPEARANCE.
- ACANTHOSIS of oral epithelium.
- RETE RIDGE FORMATION
- but are indented, confluent and club-shaped
- MITOSOID CELL
- Result from viral alteration of the cells.
- PAPPILARY PROJECTIONS.
- Conservative excisional biopsy.
- Spontaneous regression is observed.
A developmental anomaly characterized by heterotrophic collections of sebaceous glands at various sites in oral cavity.
- Results from inclusion in oral cavity of ectoderm having some potentialities of skin in course of development of maxillary and mandibular process during embryonic life.
- SEX- no gender prediliction
- AGE- adults
- SITE- Oral mucosa
- Small yellow spots either discreatly seperated/forming relatively large plaques-projecting slightly above the surface of the tissue.
- bilaterally symmetrical pattern.
- most common sites include-
- oral mucosa
- retromolar area
- Lobules of sebaceous duct beneath the epithelium.
- sebaceous cells are polygonal with centrally located nucleus and foamy cytoplasm.
- these sebaceous glands are unassociated with hair follicles.
- may show keratin plugging.
No treatment is required.