Bronchial

lung pattern

Thin mineralized bronchial walls/ sclerosis of the bronchial walls

Degenerative (age related)
Cushing’s syndrome
Bronchomicrolithiasis

Thickened soft tissue opaque walls

Bronchitis (inflammatory)

  • Bacterial
  • Parasitic
    Crenosoma vulpis
    Aelurostrongylus abstrusus
    (both usually in combination with alveolar infiltrates)
  • Viral
    (distemper, adenovirus, parainfluenza)
  • Allergic
    eosinophilic bronchopneumopathy (dog), chronic feline bronchial disease (cat)
  • Protozoal
    Toxoplasma gondi
    (pulmonary changes rare)
  • Mycotic

Oedema
Neoplasia

Bronchiectasia

Inherited abnormality

  • Primary ciliary dyskinesia
    (Bichon fries, Newfoundland dog, Rottweiler)
  • Karthagener Syndrom

Acquired

  • Chronic inflammation
  • Radiation induced