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VELSCOPE: ASSESSMENT SYTEM FOR ORAL CANCER SCREENING
- 1. VELSCOPE : ASSESSMENT SYSTEM FOR ORAL CANCER SCREENING BY: DR. MOINDRILA HALDER BDS(HONORS), W.B.U.H.S
- 2. INTRODUCTION • Advancements in dental technology offers improved solutions to traditional dental problems and helps detecting oral problems at an early stage. • The driving force behind such technological advances is a desire to provide patients with leading edge dental treatment that can be performed in a more efficient, effective and most importantly comfortable manner.
- 3. THE VELSCOPE ASSEMBLY SYSTEM…
- 4. NO LONGER TO SEE OR NOT TO SEE… • It is a brand new oral cancer screening system which helps in early detection of oral cancer. • Developed by BRITISH COLUMBIA CANCER AGENCY about 10 years ago. • Approved by FDA and recognised by WORLD HEALTH ORGANISATION. • The VELSCOPE Vx enhanced oral assessment system centers on a handheld scope and a 12 MP high resolution digital camera that is being used by dentists to help visualise oral tissue abnormalities.
- 5. • Process of ADJUNCTIVE MUCOSAL SCREENING. • It is a pre-diagnostic test to aid in detection of mucosal abnormalities including pre-malignant and malignant lesions. • It is supplemental to traditional intra and extra oral examinations. • Sensitivity 98%. • Specificity 100%.
- 6. IT IS TIME TO TAKE A CLOSER LOOK… • Simple and objective assessment with device that is portable, easy to store and handle. • Painless and comfortable for patient as no chemical agents are used. • No unpleasant odour, taste or sensation. • Low cost. • Procedure time < 3 minutes. • Can be used as a part of patient’s preventive examination during routine check up.
- 8. MECHANISM OF ANOMALY DETECTION BY VELSCOPE… ABNORMAL TISSUE CHANGE BLUE LIGHT OF 400-460 nm PENETRATES FROM EPITHELIUM TO BASEMENT MEMBRANE TO STROMA AUTOFLUORESCENCE OF TISSUE FLUORESCENCE PATTERN ALTERED DUE TO DISEASE
- 9. NORMAL TISSUE FLUORESCENCE PATTERNS
- 10. DETECTS GROWTH BELOW THE SURFACE THAT IS 1 mm WIDE & ONLY 3 CELL THICK
- 12. WHAT IT CAN DETECT : APART FROM PRE-MALIGNANT AND MALIGNANT LESIONS *SQUAMOUS PAPILLOMAS *SALIVARY GLAND TUMORS *INFLAMMATION SUCH AS LICHENOID REACTIONS *FUNGAL,BACTERIAL,VIRAL INFECTIONS
- 13. GET IT EARLY,GET IT ALL… • Improves clinical decision (good differential diagnosis and treatment planning). • Helps in detection of borders in both surgical biopsy and excision. • Non invasive nature of examination. • Cost effective. • Early discovery of oral cancer leads to significant rise in survival rate for patients and extensive disfigurement can also be avoided.
- 14. RELATIVE DEMERITS… • Low patient education rate about newer technology. • Fear of pain related to dental treatments. • Financial constraints. • Indifference towards oral health. • Lack of motivation for preserving better quality of life.
- 15. PROGRESSION TO GOLD STANDARD FOR SCREENING… • More than 25 million VELSCOPE Vx examinations have been performed by over 12,000 dental practitioners in 23 countries. • From results of various studies conducted worldwide and also in India(Tata Memorial Hospital, Mumbai),it was concluded that the performance of the VELSCOPE Vx has the potential to improve oral screening efforts especially in low resource settings. • It is backed by more clinical studies than any other adjunctive device for tissue fluorescence visualisation. THANK YOU FOR YOUR PATIENCE