PMID: 15239596Jul 9, 2004Paper

The 'bull's eye' pattern in hepatic tomography

Biomédica : revista del Instituto Nacional de Salud
Jorge Alberto CortésAna María Urdaneta

Abstract

Invasive fungal infections are more commonly found in patients who develop neutropenia after chemotherapy. A 4-year-old girl with diagnosis of acute lymphoid leukemia developed febrile neutropenia after chemotherapy. Broad spectrum antibiotics and antimycotic therapy were initiated. Candida albicans was isolated and Entamoeba histolytica was observed in stool examination. Chronic disseminated candidiasis had developed and was treated with amphotericin B, initially, and fluconazol. Computed tomography images were obtained that demonstrated a classic 'bull's eye' pattern; a concurrent histological study confirmed the diagnosis. Candida spp. is the major cause of opportunistic mycosis in immunosuppresed patients receiving chemotherapy for haematologic malignancies. An initial infection results in disseminated candidiasis, which persists and becomes chronic. In the 4-year-old patient, the identified risk factors consisted of a previous therapy with broad spectrum antibiotics, the gastrointestinal tract colonization with Candida albicans and prolonged neutropenia. Imaging diagnoses are made by ultrasonography, computed tomography and magnetic resonance. With ultrasound and tomography, 4 distinct patterns have been described. Pattern...Continue Reading

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