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Dear Editor, A 52‐year‐old man with type 1 diabetes presented with an ulcer on the right cheek for 6 days. On examination there was a 3 × 2‐cm, slough‐covered ulcer on the right cheek with surrounding erythema (a), along with palsies of the II, III, IV and VI cranial nerves on the right side. A provisional diagnosis of mucormycosis was confirmed on histopathological examination of the debrided tissue (b; haematoxylin and eosin, original magnification × 40). This section showed a fungal colony composed of broad, irregular, ribbon‐like fungal hyphae, which are aseptate and branching at right angles, with a background showing necrosis. The patient was treated with surgical debridement and intravenous amphotericin B, given until a cumulative dose of 1·2 g was reached. However, the patient developed cavernous sinus thrombosis and succumbed to the illness.

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