Cytopathology Flashcards
What is cytopathology
The diagnosis of disease from the microscopic appearance of single or groups of cells
What are the cell types of the cervix
The endocervix
The ectocervix
What is the wndocervix lined by
The columnar epithelium
What is the ectocervix lined by
The squamous epithelium
What is the transformation zone
Where the endocervix and ectocervix meet
What 9 types of HPV are protected by the gardasil vaccine
6,11,16,18,31,33,45,52,58
What type of HPV causes the most cervical cancer
16, 18
What expression shows HPV will lead to disease
E6/E7 mRNA
What are the 4 layers of squamous cells
Basal
Parabasal
Intermediate
Superficial
What do mature squamous cells contain and stain
Keratin, stains orangey pink
What do mid maturity squamous cells contain and stain
Contain cytoplasm, stain pink
What do I mature squamous cells contain and stain
Contain collagen and stain green/blue
What do parabasal squamous cells stain
Deep green/ blue
What shows pre cancerous changes in squamous cells
Nuclear enlargement
Irregular form and outline
Irregular chromatin
Multinuculiation
What is CIN
Cervical intraepithelial neoplasia (pre cancer)