Mostly from aspergillus or mucormycosis.
• Bone erosion is seen with allergic sinusitis—look for polyps.
• Extension outside the sinus without bone erosion is known as invasive sinusitis—this is more common with immunocompromise and diabetes.
- For Radiology Cases, Discussion join: Radiology Made Easy on Facebook
- Subscribe to our youtube channel for FRCR radiology case discussion
- Join our Telegram group: Radiology Made Easy