ABSTRACT
Introduction: Invasive fungal pan-sinusitis can present atypically with severe acute visual loss with minimal anterior orbital inflammation. We describe 2 such cases with a background of uncontrolled diabetes.
Clinical Picture: Respective clinical presentations of orbital apex and cavernous sinus syndromes were associated with isolation of Aspergillus galactomannan and Rhizopus. Treatment: Urgent extensive surgical debridement and systemic antifungal is necessary. Outcome: Clinical improvement of the ocular motor nerves can be expected within 2 months of treatment but visual loss is usually permanent. Conclusion: Underlying pansinusitis is an important differential for acute visual loss, especially in uncontrolled diabetics. Early treatment determines outcome.Fungi are known opportunistic organisms, which potentially invade and infect a host with depressed immunity. Fungal pan-sinusitis complicated with orbital apex syndrome or cavernous sinus syndrome has been described in immunosuppressed patients.
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