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Isoniazid-resistant intracranial tuberculoma treated with a combination of moxifloxacin and first-line anti-tuberculosis medication.

Abstract
We report a case of a previously healthy 23-year-old Somalian care assistant. She presented with a 4 month history of persistent occipital headaches associated with intermittent nausea and vomiting. Computed tomography and magnetic resonance imaging of the brain showed a large enhancing lesion in the right cerebellar hemisphere with surrounding ring lesions, suggestive of an intracranial neoplasm with metastases. However, tuberculoma of the brain was confirmed based on histology of the excision biopsy and cerebrospinal fluid (CSF) culture results: Mycobacterium tuberculosis resistant to isoniazid (INH) with sensitivity to other standard drugs, including fluoroquinolones, was cultured from CSF. No primary focus to suggest spread from elsewhere was found. The patient was treated successfully with moxifloxacin, rifampicin, pyrazinamide and ethambutol. Isolated INH-resistant intracranial tuberculoma is rare in adults. It can mimic other intracranial masses and should be kept in mind, especially in populations with a high risk of tuberculosis. Clinical use of moxifloxacin in INH-resistant tuberculomas is limited in humans and this case demonstrates that moxifloxacin may be an effective alternative treatment.
AuthorsWha-Yong Lee, Mirella Ling, Gavin Anderson, Shailendra Achawal, Hiten K Thaker
JournalJournal of medical microbiology (J Med Microbiol) Vol. 60 Issue Pt 10 Pg. 1550-2 (Oct 2011) ISSN: 1473-5644 [Electronic] England
PMID21659503 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Antitubercular Agents
  • Aza Compounds
  • Fluoroquinolones
  • Quinolines
  • Pyrazinamide
  • Ethambutol
  • moxifloxacin
  • Isoniazid
  • Rifampin
Topics
  • Antitubercular Agents (administration & dosage, pharmacology)
  • Aza Compounds (administration & dosage)
  • Biopsy
  • Brain (microbiology, pathology, radiography)
  • Cerebrospinal Fluid (microbiology)
  • Drug Resistance, Bacterial
  • Ethambutol (administration & dosage)
  • Female
  • Fluoroquinolones
  • Histocytochemistry
  • Humans
  • Isoniazid (pharmacology)
  • Magnetic Resonance Imaging
  • Mycobacterium tuberculosis (drug effects, isolation & purification)
  • Pyrazinamide (administration & dosage)
  • Quinolines (administration & dosage)
  • Rifampin (administration & dosage)
  • Tomography, X-Ray Computed
  • Treatment Outcome
  • Tuberculoma, Intracranial (diagnosis, drug therapy, microbiology)
  • Tuberculosis, Multidrug-Resistant (diagnosis, drug therapy, microbiology)
  • Young Adult

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