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ENT · Fungal sinusitis
Sample itemA man with diabetic ketoacidosis develops facial pain, a black necrotic eschar on the palate and nasal turbinates, and rapid orbital involvement. Which is the most important combination of treatment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Amphotericin B with urgent surgical debridement and correction of the metabolic state
This is invasive rhinocerebral mucormycosis, an angio-invasive infection of Mucorales that thrives in acidosis. Management is rapid correction of acidosis and hyperglycaemia, liposomal amphotericin B and aggressive surgical debridement of necrotic tissue.
Option by option
A. Amphotericin B with urgent surgical debridement and correction of the metabolic state (correct)
Correct. Mucor needs prompt antifungal therapy and removal of the necrotic tissue.
B. Systemic corticosteroids with oral antihistamines
Steroids worsen the immune and metabolic state and would worsen the infection.
C. Broad-spectrum antibiotics with nasal saline irrigation
Antibiotics do not treat a fungal infection.
D. Oral fluconazole alone
Fluconazole is inactive against Mucorales.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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