Abstract
Invasive rhinosinusitis, occurring almost exclusively in immunosuppressed patients, is defined by the presence of local inflammation with vascular and osseous necrosis with extensive soft tissue extension. Imaging and bacteriological and even histological (mycelial filaments) criteria have been established. Because it can evolve to death in patients with hematological disorders, accurate diagnosis is important but difficult to achieve due to the non-specific nature of signs and symptoms. Imaging plays an important role with CT of the paranasal sinuses and MR imaging of the brain for early diagnosis and treatment in order to improve prognosis. We will present the imaging features of three cases of rhinocerebral infections, with two cases of fungal infection and one case of invasive bacterial sinus infection.
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