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Background: Mucormycosis is an invasive fungal infection. It is rare and commonly associated with fatal outcomes.Methods: We report two cases of thoracic mucormycosis in immunocompetent patients. First, is an immunocompetent child with mediastinal mass and extension into the pericardium and left atrium. The second is a young woman with a left pulmonary artery pseudoaneurysm.Results: The first patient could not be salvaged while the second patient was successfully managed with surgical intervention and systemic antifungal treatment.Conclusion: Mucormycosis should be considered as a differential diagnosis in the management of immunocompetent patients in patients with pyrexia of unknown origin and a mediastinal mass. Early and aggressive surgical management along with systemic antifungal treatment improves the survival in this subset of patients. [ABSTRACT FROM AUTHOR]

To the Editor, Amphotericin B is often used in the therapeutics of potentially fatal fungal infections. The patient was extubated and put on oral K+ supplementation 40 mEq/day in divided doses, with close monitoring of serum K+ and Mg++ levels, while amphotericin B therapy was continued into the postoperative period. [Extracted from the article]