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case_images: Axial plane of the CT scan of the temporal bones showing the presence of fluid in the middle ear spaces (arrowheads) and thickening of tympanic cavity and mastoid cellules mucosa, without bone destruction.
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case_images: A computed tomography (CT) scan of the temporal bones showed the presence of fluid in the middle ear spaces and thickening of tympanic cavity and mastoid cellules mucosa, without bone destruction (Figure 1).
case_images: Sagittal plane of the CT scan of the paranasal sinuses showing thickening of right ethmoid sinus mucosa and fluid in sphenoid sinus.
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case_images: CT scan of the paranasal sinuses showed thickening of right ethmoid sinus mucosa, fluid in sphenoid sinus, and the signs of right-sided orbital cellulitis (Figure 2).
case_images: Histopathological changes characterized for glomerulonephritis associated with GPA. The figure shows glomerulus (arrowhead) with necrosis affecting more than 50% of capillary tuft with voluminous cellular crescent. Surrounding tubules with flattened epithelium and signs of ischemia with acute tubular necrosis are seen (Hematoxylin & Eosin staining, magnification x200).
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case_images: After the kidney biopsy, histology was referred to acute glomerulonephritis with crescents in more than 50% out of glomeruli (Figure 3).