Fundamentals Flashcards
1
Q
- Describe the appearance of neutrophils.
A
Multilobed nuclei with lots of granules
2
Q
- In what states might you see an abundance of lymphocytes?
A
Chronic inflammation
Lymphoma
3
Q
- Describe the appearance of eosinophils.
A
Bi-lobed nucleus with red granules
4
Q
- List three conditions that could cause an eosinophilia.
A
Allergic reactions
Parasitic infections
Hodgkin’s lymphoma
5
Q
- Describe the appearance of the oesophagus in eosinophilic oesophagitis.
A
Horizontal striae are seen within the oesophagus (feline oesophagus)
6
Q
- Describe the appearance of mast cells.
A
Large cells containing a lot of granules
7
Q
- Describe the appearance of macrophages.
A
Large cells with lots of cytoplasm
8
Q
- In what states do macrophages tend to appear?
A
Late acute inflammation (macrophages clear up the debris) Chronic inflammation (become secretory rather than phagocytic)
9
Q
- Define granuloma.
A
Organised collection of activated macrophages
10
Q
- Describe the appearance of macrophages in granulomas.
A
Epithelioid macrophages – they have a lot of cytoplasm making them look like epithelial cells
11
Q
- What cytological feature is suggestive of a good sputum sample?
A
Pigmented macrophages – this suggests that they have come from the alveoli
12
Q
- What do macrophages in granulomas fuse together to form?
A
Langerhans giant cells
13
Q
- List some causes of granulomas.
A
TB Leprosy Cat scratch fever Fungal infections Sarcoidosis
14
Q
- List three types of carcinoma.
A
Squamous cell carcinoma
Adenocarcinoma
Transitional cell carcinoma
15
Q
- What are two key features of squamous cell carcinomas?
A
Keratin production
Intercellular bridges