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Respiratory cytology - Coggle Diagram
Respiratory cytology
Benign
Normal histology
Lung
Goblet cells
mucin filled cytoplasmic vacuole
Alveolar macrophages
Abundant granular cytoplasm
Vesicular nuclei
Other sites
Squamous cells (mouth)
Bronchial tissue (cartilage)
Inflammation
Acute
DDX
infection
aspiration
vasculitis
infarction
Neutrophils and necrosis
Granulomatous
epithelioid histiocytes and giant cells
Elongated nuclei
Indented
"School of fish swimming around"
DDX
infection
autoimmune
Sarcoidosis
Vasculitis
hypersensitivity pneumonitis
Allergic reaction
fibrosis in alveoli
aspiration
Oil red O staining
lipids
Drug reaction
Reactive changes
Diagnosis of atypical
Inflammation
nuclear atypia
retained terminal bars
ECM material
Bugs
AIDS
"crushed ping pong balls
PAS negative
Central dot on GMS stain
Frothy proteinaceous cast
pneuomocystis jirovecii
Alveolar proteinosis
Surfactant protein ++
Dense amorphous globules
Dirty frothy background
PAS +ve
asthma
Curschmann spirals
Coils of mucus
Charcot-Leyden Crystals
Orangeophilic rhomboid/needle shaped crystals
Also other allergic conditions
Granules from degenerating eosinophils
Asbestos
"Dumbbells"
Fiber particles
proteins containing iron salts
Ferruginous bodies
Amyloid
Apple green birefringence
congo red
polarised light
Dense amorphous waxy material
Uncertain
Insufficient/inadequate
Cells dead (necrosis)
Poor preparation
Not enough cells
Non-diagnostic
States mass but nothing
Malignant