Cancer & Larygectomy Flashcards
Tobacco products kill an estimated:
5 million+ people each year
Second hand smoke kills an estimated
600,000 people each year
Laryngeal cancer occurs in _________ Americans per year and causes _________ deaths
15,000+ occurrences and 4,800 deaths
90% of laryngeal cancers are:
Squamous cell carcinomas which are related to smoking
Types of laryngeal cancers (3) and percentage by type:
Supraglottic 35% (false VF, arytenoids, etc)
Glottic 65% (true VF)
Subglottic 5%
Risk of secondary tumors, especially if patient continues to smoke is
25%
Overall 5 year survival rate for glottic cancer:
85%
Overall 5 year survival rate for supraglottic cancer:
55%
Cancer stages are based on (5):
>Location of primary tumor >Tumor size (T) >Lymph node involvement (N) >Cell type & tumor grade >Metastasis (M)
Primary Tumor (T): TX
Primary tumor cannot be evaluated
Primary Tumor (T): T0
No evidence of primary tumor
Primary Tumor (T): Tis
Carcinoma in situ (early cancer not spreading to neighboring tissue)
Primary Tumor (T): T1-4
Size and/or extent of primary tumor
Regional Lymph Nodes (N): NX
Regional lymph nodes cannot be evaluated
Regional Lymph Nodes (N): N0
No regional lymph node involvement
Regional Lymph Nodes (N): N1-3
Involvement of regional lymph nodes (number and/or extent of spread)