PATHOLOGY Flashcards
Examples of chronic inflammation?
Persistent infection
Progression from acute
Autoimmune
Transplant rejection
What cells are seen in acute inflammation?
Neutrophil polymorphs
Macrophages
What cells are seen in chronic inflammation?
Epitheliod macrophages
What is a granuloma?
Epithelioid macrophages
What cells are seen in TB?
Langhans giant cells
How does a scar form?
- Haemostasis
- Inflammation
- Proliferation (granulation tissue formed)
- Remodelling
What is a type 1 hypersensitivity?
IgE
Anyphlaxis, asthma, Churg-strauss syndrome
What is a type 2 hypersensitivity?
IgM or IgG
Autoimmune haemolytic anaemia
Graves’
Goodpastures
What is a type 3 hypersensitivity?
IgG
Reactive arthritis
SLE
What is a type 4 hypersensitivity?
T-cells Rheumatoid arthritis MS Coeliac Hashimoto's thyroiditis
What switches on apoptosis?
P53
What is a neoplasm?
A lesion resulting from the AUTONOMOUS, NEW and ABNORMAL growth that PERSISTS after the initiating stimuli is removed.
What do tumour suppressor genes do?
Slow down cell division
Repair DNA
Control apoptosis
What cancers metastasis to bone?
Prostate, breast, thyroid, lung and kidney
What staging is used for colorectal cancer?
Dukes