Histopathology 1: Fundamentals of histology Flashcards
List 2 histological features of Squamous cell carcinomas ?
Keratin production
Intracellular bridges
List 2 histological features of Adenocarcinoma ?
Gland forming
Mucin production
Which part of oesophagus tends to get Squamous cell carcinomas ?
Upper 1/3
Which stain identifies haemochromatosis ?
Prussian blue (Pearls stain)
Neutrophil infiltration shows ………. inflammation
Acute
Multilobed nuclei
Granules
List 3 situations in which you see eosinophils ?
- allergic reactions
- parasite infections
- Hodgkins lymphoma
churg-strauss
bi-lobed nucleus with red granules
Which cells form granulomas ?
Macrophages
Name a disease in which you get caseating granulomas ?
TB
lymphocytes are associated with…
chronic inflammation and lymphomas
little cytoplasm, big nucleus
what causes feline oesophagus
horizontal striae in o often caused by food allergens
lots of mast cells in the epidermis is suggestive of…
urticaria
mast cells = large, lots of granules
what are macrophages associated with
late acute inflammation chronic inflammation (inc granulomas)
(have loads of cytoplasm)
when do you know if a sputum sample is sufficient
see pigmented macrophages is the sample - shows it has come from the alveoli
list 4 causes of granulomas
TB leprosy cat scratch fever fungal infections sarcoidosis
what are carcinomas and name 3 types
malignant tumours of EPITHELIAL CELLS
SCC - keratin + IC bridges (+ swirls of keratin)
Adenocarcinoma - mucin (stains) and glands
TCC