lung pattern
Nodular/structured interstitial
Neoplasia
Haematoma
Abscess
Granuloma (+lymphadenomegaly)
Haematocele
Cyst
Reticulo-nodular/miliary
Metastases
Granulomatous pneumonia
Mycotic pneumonia
(Blasto-, Coccidio-, Cryptococcosis; Histoplasmosis)
+/- lymphadenomegaly
Unstructured interstitial
Artefact
(technique or patient related)
Age
Fibrosis
Diseases in transition
- Pneumonia
- Oedema
- Haemorrhage
Neoplasia
(esp. Lymphoma)
Pneumonitis
- Viral
(e.g. distemper) - Bacterial
(e.g. leptospirosis) - Rickettsiosis
- Parasitic
(e.g. Aerulostrongylus,
Dirofilariosis, Babesiosis,
Toxoplasmosis, Neosporosis) - Toxic
(e.g. Paraquat, often associated with pneumomediastinum) - Inhalation
(e.g. smoke, dust) - Metabolic
(e.g. septicaemia,
uraemia, Cushing’s disease) - ARDS
- Eosinophilic bronchopneumopathy
- Thromboembolic disease
- Radiation induced