cervix Flashcards
what type of epithelium lines the exocervix?
nonkeratinizing squamous epithelium
what type of epithelium lines the endocervix?
single layer of columnar cells
describe the changes seen in cervical intraepithelial neoplasoia
characterized by koilocytic change, disordered cellular maturation, nuclear atypia and increased mitotic activity within cervical epithelium
describe CIN I
involves less than 1/3 of the thickness of the epithelium
reverses 60% of the time
describe CIN II
involves <2/3 of thickness of epithelium
reverses 30% of the time
describe CIN III
involves slightly less than the entire thickness. can reverse but very rare
what age group is cervical carcinoma seen in?
middle aged women
how does cervical carcinoma clinically present?
vaginal bleeding, especially postcoital bleeding or cervical discharge
what are the two subtypes of cervical carcinoma?
adenocarcinoma and squamous cell carcinoma
what hpv types are in the quadrivalent vaccine?
6,11,16,18