Abstract

Introduction: Mucormycosis is a rare fungal infection in an immunocompromised patient. It is even rarer in an immunocompetent patient presenting as nasal polyp. This case is presented for its rarity. Case report: a 48 years old healthy female patient presented with bilateral nasal block for 2 years, right eye diplopia for 15 days and right eye blurring of vision for 2 days. Anterior Rhinoscopy showed multiple polypoidal mass present in both nasal cavity. Right eye had mild ptosis and vision reduced to finger counting test. Computed tomography (CT) of the paranasal sinuses showed heterogeneous opacity filling all paranasal sinuses and bilateral nasal cavities with extensive thinning and resorption of lateral wall of sphenoid bone. MRI paranasal sinuses showed lesion extending into the sella and right parasellar region with dural enhancement in right medial temporal region and no cavernous sinus thrombosis. Patient was diagnosed to have chronic fungal sinusitis with orbital and cranial extension. Extensive sinus debridement surgery done and all dead necrotic tissues and fungal debris present in the sinuses were removed and sent for histopathological examination and fungal culture. Histopathology revealed broad, aseptate, long and right angled branching hyphae consistent with mucormycosis. Patient was followed up for 2 years with no evidence of recurrence. Conclusion: Mucormycosis should also be considered in immunocompetent patient as early diagnosis affects the progress of the disease

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