Histopathology and cytopathology Flashcards Preview

Y2 LCRS - Diganostics 3-5 > Histopathology and cytopathology > Flashcards

Flashcards in Histopathology and cytopathology Deck (12):
1

What are the situations in which cytopathology might be used as a diagnostic method?

Lung cancers

2

What are the main steps involved in processing a specimen?

Label
Fix in formalin
Embed in paraffin wax
cut sections
Rehydrated and stained with eosin and haematoxylin

3

What are the types of specimen that may be tested in histopathology ?

Biopsies 2-3 days
Resection specimens 5-7 days
Frozen sections
Post-mortems

4

In what situations would frozen sections be required?

During surgery of removal of cancer to make sure all of it has been removed

5

What are the advantages of frozen section diagnosis?

Real time
takes 30 minutes

6

What are the benefits of an autopsy?

Performed to find the cause of death
why treatment was unsuccessful
spread of disease
education on disease processes

7

What are the benefits of cytology screening?

Cervical and breast cancer screening

8

What are the types of specimen that may be tested in cytopathology?

Smears
Fine needle aspirates (less invasive than biopsies)

9

What is immunohistochemistry?

identify specific antigens using antibodies

10

What does the eosin stain do?

Stain cytoplasm pink

11

What does the haemotoxylin stain do?

Stain nuclei blue

12

How are cervical smears prepared?

fixed with alcohol and stained by Papanicolauo and permanently preserved