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Multiple brain abscesses caused by Cladophialophora bantianum: a challenging case
Anuradha Tunuguntla1, Mustafa M Saad, Jehad Abdalla
1Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, USA.
Abstract:
Cladophialophora bantianum, a dematiaceous fungus with dark pigmented hyphae, is a rare cause of central nervous system (CNS) infection. This aggressive mold has a high mortality rate, primarily related to its poor response to currently available antifungal therapy. In this article, we report a 74-year-old immunocompromised man who presented with left-sided weakness, sensory deficit, and an abnormal magnetic resonance imaging (MRI) of the brain, which showed multiple ring-enhancing cerebral lesions. The largest lesion measured 4.6 x 3.9 centimeters and was located within the parietal region. He underwent a stereotactic needle biopsy, revealing a pigmented fungus which subsequently grew Cladophialophora bantiana. The patient failed initial monotherapy with liposomal amphotericin B. Later in the patient's hospital course, Flucytosine and voriconazole were added but there was no significant change in the size of the lesions on a repeat brain MRI performed one month into therapy. Surgical resection of the largest lesion was performed. Nevertheless, he continued to deteriorate and therapy was withheld per family request.
Insights
Cladophialophora bantiana, a rare fungus, causes aggressive central nervous system infections with high mortality. This case highlights the challenges in treating this infection, even with combined therapies and surgery.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Neurology
Background:
- Cladophialophora bantiana is a dematiaceous fungus rarely causing central nervous system infections.
- This fungus presents an aggressive clinical course with high mortality rates.
- Treatment options for Cladophialophora bantiana CNS infections are limited and often ineffective.
Observation:
- A 74-year-old immunocompromised male presented with neurological deficits and multiple ring-enhancing brain lesions on MRI.
- Stereotactic needle biopsy confirmed Cladophialophora bantiana.
- The patient exhibited poor response to liposomal amphotericin B monotherapy.
Findings:
- Combination therapy with flucytosine and voriconazole showed no significant improvement in lesion size.
- Despite surgical resection of the largest lesion, the patient's condition continued to deteriorate.
- The case underscores the limited efficacy of current antifungal strategies against this pathogen.
Implications:
- This case emphasizes the need for novel therapeutic approaches for Cladophialophora bantiana CNS infections.
- Further research into effective antifungal agents and treatment protocols is crucial.
- Early diagnosis and aggressive management are vital for improving outcomes in rare fungal CNS infections.
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