Line 9:
Line 9:
*Gross pathology - catarrhal discharge becoming purulent (secondary infection)
*Gross pathology - catarrhal discharge becoming purulent (secondary infection)
*Histology:
*Histology:
−
**Large basophilic [[Degenerations and Infiltrations - Pathology#Cellular Inclusions|intranuclear inclusion bodies]] in the surface and subepithelium of nasal and sinus glandular epithelium with lymphocytic infiltration of the mucosa
+
**Large basophilic [[Cellular Inclusions|intranuclear inclusion bodies]] in the surface and subepithelium of nasal and sinus glandular epithelium with lymphocytic infiltration of the mucosa
**Bursting of nucleus with cell necrosis and sloughing of necrotic epithelium
**Bursting of nucleus with cell necrosis and sloughing of necrotic epithelium
*Can develop viraemic stage, with inclusions and focal necrotising lesions in other organs eg: renal tubular epithelium
*Can develop viraemic stage, with inclusions and focal necrotising lesions in other organs eg: renal tubular epithelium