Background: Mucormycosis is a devastating opportunistic fungal infection resulting in significant mortality, especially in pediatric patients with predisposing risk factors.
Materials & methods: Biopsies and surgical specimens reported and proven as Mucormycosis in children under 12 years of age were retrieved from the records for three years (January 2018 to January 2021). Complete data, predisposing factors, treatment, and clinical outcome were recorded.
Results: 15 cases were identified, ranging from 9 days to 5 years. The male-female ratio was 3:1; three children were preterm. Fourteen children were diagnosed with gastrointestinal Mucormycosis (14/15), and one had palatal and sinusoidal involvement. Abdominal pain with distention was the most typical complaint. On microscopy, biopsies and surgical specimens showed extensive liquefactive necrosis with broad aseptate fungal hyphae. An intraoperative diagnosis was rendered in two cases. All neonates underwent exploratory laparotomy with surgical debridement and were administered Liposomal Amphotericin B. However, only two neonates survived out of the fifteen cases, one with disease limited to the appendix and pouch colon. The others succumbed to the disease despite antifungal therapy and surgical debridement. Thus, the overall mortality in the current study was calculated to be 86%, with neonatal mortality of 75%.
Conclusion: Gastrointestinal involvement is more common in neonates and infants with a male preponderance. The diagnosis relies on direct microscopy, histopathology, and fungal culture. Intraoperative tissue may be sent in all suspected cases for direct microscopic examination for rapid diagnosis and treatment.
Keywords: Fungus; KOH; antifungal; gut; histopathology; rhinocerebral.
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