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Updated: Jul 8, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Fungal meningitic hydrocephalus with repeated shunt malfunction
Reiko Kagawa1, Yoshikazu Okada, Kouzo Moritake
1Department of Neurosurgery, Muikaichi Hospital, Kanoashi-gun, Shimane, Japan.
Abstract:
A 33-year-old female presented with a rare case of fungal meningitis caused by Aspergillus detected for the first time at 15 years after onset. The meningitis repeatedly occurred over a period of 15 years. On admission, cerebrospinal fluid examination found cell count 1340/high-power field, protein 158 mg/dl, and sugar 8 mg/dl, indicating meningitis, although no bacterial or fungal species were detected. Cerebral computed tomography demonstrated hydrocephalus and cervical computed tomography demonstrated a mass lesion on the ventral side of the spinal cord from C4 to C6. Fungal meningitis was suspected and treated with amphotericin B. Her symptoms improved and she was eventually discharged. She was readmitted for recurrence of meningitis and hydrocephalus 2 months later. Amphotericin B was administered and a ventriculoperitoneal (VP) shunt was placed. Shunt malfunction recurred seven times. Aspergillus was detected for the first time from the atrium side of the ventriculoatrial shunt tube at 15 years after onset. Fluconazole was administered. She had narrowing of the cisterna magna, and underwent foramen magnum decompression. The VP shunt was finally reconstructed. Fluconazole administration was continued. Combination of foramen magnum decompression and long-term administration of fluconazole was effective in this case.
Insights
This case report details a rare, recurrent fungal meningitis caused by Aspergillus, diagnosed 15 years after initial symptoms. Long-term fluconazole and surgical decompression proved effective in managing this chronic infection.
Area of Science:
- Neurology
- Infectious Diseases
- Mycology
Background:
- Fungal meningitis is a rare but serious infection, particularly in immunocompromised individuals.
- Chronic or recurrent meningitis presents significant diagnostic and therapeutic challenges.
Observation:
- A 33-year-old female experienced recurrent meningitis over 15 years with initial negative cultures.
- Cerebrospinal fluid analysis revealed inflammatory markers consistent with meningitis.
- Imaging identified hydrocephalus and a spinal cord mass, leading to suspicion of fungal etiology.
Findings:
- Aspergillus was definitively identified 15 years after symptom onset from a ventriculoatrial shunt.
- Initial treatment with amphotericin B provided temporary relief.
- Surgical intervention (foramen magnum decompression) and long-term fluconazole administration were ultimately effective.
Implications:
- This case highlights the importance of considering fungal meningitis in chronic, relapsing cases, even with initially negative diagnostic tests.
- Delayed diagnosis of Aspergillus meningitis can occur, necessitating prolonged and multimodal treatment strategies.
- Effective management requires a combination of antifungal therapy, surgical intervention, and careful monitoring for complications like shunt malfunction.
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