Rottweiler crossbred dog with nasal aspergillosis. A Rottweiler crossbred dog with nasal aspergillosis due to Aspergillus fumigatus infection. Note the loss of pigment below the nostril on the worst affected side – this finding is suggestive of a diagnosis of chronic nasal aspergillosis in the dog.
1 Axial computed tomography (CT) scans of the frontal sinus.
A: due to the long lasting pressure of mucus, the bone of the anterior wall of frontal sinus is thinned out and elevated anteriorly, forming a bulge. B: same situation as depicted in fig A: the posterior bony wall of frontal sinus is thinned out and extremely elevated posteriorly towards the frontal lobe of the brain. As depicted on the scan, a thin bony layer covering the dura could be recognized intraoperatively