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5 dni temu · Canine nasal polyps are uncommon and can cause clinical signs that include nasal discharge, sneezing, and stertor (1–3). The diagnosis is suspected based on imaging studies and is confirmed with endoscopy and histological examination of nasal biopsies.
10 lis 2022 · Radiographic features. CT. extensive mucosal polyps occupying and obliterating the nasal cavity and the paranasal sinuses. usually, they are hypodense but may be hyperdense due to increased protein content or fungal infection. associated local benign bone remodeling or erosion (as opposed to a mucocele where the entire sinus is expanded 6)
Figure 2. A CT scan is one of the best ways to evaluate dogs with nasal signs and is essential in accurately dosing nasal tumours with radiation therapy. Radiography has been largely superseded in some practices and most referral hospitals by advanced imaging modalities, such as CT (Figure 2) and MRI.
1 lis 2016 · Left antrochoanal polyp: Axial and coronal CT image showing homogeneous soft tissue attenuating mass extending from antrum to choana with widening of maxillary ostium. Out of the 38 neoplastic pathologies, 21 were diagnosed as benign and 17 as malignant on CT as shown in [ Table/Fig-7 ].
2 lip 2014 · For example, chronic intranasal foreign bodies can be associated with severe focal to extensive turbinate atrophy mimicking those changes associated with fungal rhinitis, and nasal polyps may have diagnostic imaging findings similar to those observed with malignant nasal neoplasia.
10 maj 2023 · Sometimes, X-rays of the skull and nasal cavity can help diagnose a nasal tumor. But in general, advanced imaging such as a CT scan or MRI is more likely to be diagnostic. CT and MRI are more detailed than X-rays.
7 maj 2012 · At CT and MR imaging ONB may present as a homogeneous, solitary nasal polyp that remodels rather than destroys the bone (Fig. 17 a–f). The MR signal is intermediate on both T1 and T2, and after intravenous contrast medium, there is intermediate to high enhancement of the tumour.
