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Kobayashi K, Imagama S, Ito Z, et al. Tuberculous meningitis with dementia as the presenting symptom after intramedullary spinal cord tumor resection. Nagoya J Med Sci. 2015;77(4):653-7
Kobayashi, K., Imagama, S., Ito, Z., Ando, K., Yagi, H., Shinjo, R., Hida, T., Ito, K., Ishikawa, Y., Matsuyama, Y., & Ishiguro, N. (2015). Tuberculous meningitis with dementia as the presenting symptom after intramedullary spinal cord tumor resection. Nagoya journal of medical science, 77(4), 653-7.
Kobayashi, Kazuyoshi, et al. "Tuberculous meningitis with dementia as the presenting symptom after intramedullary spinal cord tumor resection." Nagoya journal of medical science vol. 77,4 (2015): 653-7.
Kobayashi K, Imagama S, Ito Z, Ando K, Yagi H, Shinjo R, Hida T, Ito K, Ishikawa Y, Matsuyama Y, Ishiguro N. Tuberculous meningitis with dementia as the presenting symptom after intramedullary spinal cord tumor resection. Nagoya J Med Sci. 2015 Nov;77(4):653-7. PMID: 26663944; PMCID: PMC4664597.
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Nagoya J Med Sci. 2015 Nov;77(4):653-7.

Tuberculous meningitis with dementia as the presenting symptom after intramedullary spinal cord tumor resection.

Nagoya journal of medical science

Kazuyoshi Kobayashi, Shiro Imagama, Zenya Ito, Kei Ando, Hideki Yagi, Ryuichi Shinjo, Tetsuro Hida, Kenyu Ito, Yoshimoto Ishikawa, Yukihiro Matsuyama, Naoki Ishiguro

Affiliations

  1. Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
  2. Department of Orthopaedic Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan.

PMID: 26663944 PMCID: PMC4664597

Abstract

Early-stage TB meningitis has no specific symptoms in patients, potentially leading to delayed diagnosis and consequently worsening prognosis. The authors present the fatal case with a delayed diagnosis of tuberculous (TB) meningitis with dementia as the presenting symptom after intramedullary spinal cord tumor resection. The medical records, operative reports, and radiographical imaging studies of a single patient were retrospectively reviewed. A 77-year-old man who underwent thoracic intramedullary hemangioblastoma resection for 2 times. The postoperative course was uneventful, but 1.5 months after surgery, the patient suffered from dementia with memory loss and diminished motivation and speech in the absence of a fever. No abnormalities were detected on blood test, brain computed tomography and cerebrospinal fluid (CSF) analysis. A sputum sample was negative for Mycobacterium tuberculosis in the QuantiFERON®-TB Gold (QFT-G) In-Tube Test and the tuberculin skin test was also negative. The patient was diagnosed with senile dementia by a psychiatrist. However, the patient's symptoms progressively worsened. Despite the absence of TB meningitis findings, we suspected TB meningitis from the patient's history, and administered a four-drug regimen. However the patient died 29 days after admission, subsequently M. tuberculosis was detected in the CSF sample. This case is a rare case of TB meningitis initially mistaken for dementia after intramedullary spinal cord tumor resection. Symptoms of dementia after intramedullary spinal cord tumor resection should first be suspected as one of TB meningitis, even if the tests for meningitis are negative. We propose that anti-tuberculosis therapy should be immediately initiated in cases of suspected TB meningitis prior to positive identification on culture.

Keywords: Vietnam diagnostic rule; dementia; intramedullary spinal cord tumor resection; tuberculous meningitis

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