Central nervous system tuberculosis accounts for approximately 1-2% of cases but with a high morbidity and mortality burden. A 37-year-old female presented with fever and headache for 15 days followed by altered sensorium with associated dystonic posturing of both upper limbs and lower limbs (left>right side). The patient's condition deteriorated despite optimal antitubercular treatment and other supportive measures for two weeks. An MRI brain was suggestive of areas of diffusion restriction in the right caudate nucleus, anterior limb of internal capsule, genu, and anteromedial thalamus. The patient ultimately succumbed to death. Tubercular zone infarctions carry an ominous prognosis and can be considered an indicator of morbidity and mortality in patients with tuberculous meningitis (TBM).
Keywords: Central nervous system tuberculosis; Ischemic zone; Palur grade; Tubercular zone; Tuberculous meningitis.
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