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)
What kind of specimen is used for papanicolaou
Wet fixed specimens
What is papanicolaou stain good for
Nuclear destin
What does the Papanicolaou stain consist of
Haematoxylin, EA50 and OG6
What specimen is Romanowsky stain used for
Air dried
What is romanowsky stain good for
Cytoplasmic detail
What does the romanowsky stain consist of
May-grunwald and giemsa
How many patients with blood in their urine have cancer
10-25% the cancer is usually bladder cancer
What are the 4 types of bladder cancer
Urothelial transitional cell cancer
Squamous cell bladder cancer
Adenocarcinoma
Sarcoma and small cell cancer
How many of bladder cancer is urothelial
90%