The Squamous papilloma is associated with Human Papilloma Virus (HPV) types 6, 11. This Tumor is of low virulance i.e it is not contagious.

Differential Diagnosis:

• Veruca Vulgaris
• Focal Papillary Hyperplasia

• The Papilloma shows Exophytic growth.
• Numerous small finger like projections which result in lesion with a roughened, verrucous (or) Cauliflower Surface.
• It is a well circumscried tumor.
• The tumor is Pedenculated (Mostly) or Sessile (sometimes).
• Color: White (sometimes pink)
• Site: Tongue, lips, uccal mucosa, gingiva and palate (adjacent to uvula)
• Size: Few millimeters in diameter to several centimeters
• Age: No age prdilection.

Histological features:

• Charecteristic feature: Many long thin, finger like projections extending above the surface of mucosa.
• Each finger like projection is lined by Stratified Squamous Epithelium and contains a thin central connective tissue.
• The spinous cells proliferate in a papillary pattern.
• Koliocytes- HPV altered cells may or maynot be seen.
• Chronic inflamatory cells are seen.

Treatment and Prognosis:

• Surgical Excision incleding the base of mucosa into which the pedicle or stalk is inserted.
• If the Exicision is done properly then Recurrance is rare.