Prac 2: Haematology Cases Flashcards Preview

Clinical Pathology > Prac 2: Haematology Cases > Flashcards

Flashcards in Prac 2: Haematology Cases Deck (19)
Loading flashcards...
1
Q

What is polychromasia evidence of?

A

Regeneration

2
Q

What does a polychromatophil look like?

A

Large, pale blue

3
Q

What does a metarubricyte look like?

A

Like a lymphocyte but dark

4
Q

What is the most likely cause of leucopaenia/lymphopaenia in a cat?

A

Stress

5
Q

What ongoing process can cause thrombocytosis?

A

Inflammation

6
Q

What does serum amyloid A measure?

A

Sensitive marker of inflammation

7
Q

What are some differentials for eosinophilia?

A

Parasites, allergy/hypersensitivity, paraneoplastic, eosinophilic inflammatory disorders (enteritis, bronchopneumopathy), Addisons

8
Q

Which kind of haemolysis are spherocytes a feature of?

A

Extravascular, immune mediated

9
Q

What does Coombs test look for?

A

Autoimmune haemolytic anaemia

10
Q

What are the two differentials for lymphocytosis?

A

Lymphoproliferative disease, chronic inflammation, Cushings, Ehrlichia

11
Q

What value can Heinz bodies artificially elevate?

A

MCHC

12
Q

Which stain for Heinz bodies?

A

Methylene blue

13
Q

What process can also cause MCHC elevation?

A

Haemolysis, either in vitro or in vivo

14
Q

What processes can monocytosis suggest?

A

Ongoing inflammation or stress

15
Q

What conditition can D-dimer be used to assess?

A

DIC

16
Q

What is the most likely cause of iron deficiency in an older animal?

A

Chronic haemorrhage e.g. GI bleed, parasites, urine loss

17
Q

Which tests can you do to confirm iron deficiency?

A

Serum iron and total iron binding capacity (marker of transferrin)

18
Q

What is on process that can cause increased platelet consumption?

A

Inflammation

19
Q

What are two causes of basophilia?

A

Parasitic or allergic disease