• Bijesh Ravindran Nair and Vedantam Rajshekhar.
• Department of Neurological Sciences, Christian Medical College, Vellore, India. Electronic address: drbijeshr@cmcvellore.ac.in.
• World Neurosurg. 2019 May 1; 125: e236-e247.

BackgroundPatients with brain tuberculomas are generally managed with 12-18 months of antituberculous treatment (ATT) with or without surgery. However, a subset of these patients may require ATT for longer periods. We studied the factors that were associated with the need for prolonged ATT (>24 months) in patients with brain tuberculomas.MethodsThis retrospective study included patients with intracranial tuberculomas managed from January 2000 to December 2015 if they were followed up until completion of therapy and resolution of the tuberculoma/s. The predictive factors analyzed were the number of lesions (solitary vs. multiple), location (infratentorial vs. supratentorial and infratentorial), previous ATT treatment (yes vs. no), surgery (yes vs. no), and size of the lesion (≤2.5 cm vs. >2.5 cm).ResultsOf the 86 patients, 19 (22%) received ATT for >2 years. On multivariate analysis, multiple lesions were significantly associated with the need for prolonged ATT (P = 0.02). Size of the tuberculoma showed a trend toward significance (P = 0.06), with tuberculomas >2.5cm having a 3.68 times increased risk of requiring prolonged ATT.ConclusionsAlthough 78% of brain tuberculomas resolve with 12-24 months of ATT, 22% required >24 months of ATT. Multiple tuberculomas had significant association with prolonged ATT, with a median duration of resolution of 36 months. Because tuberculomas >2.5 cm were likely to need longer duration of ATT, brain tuberculomas that require surgery should be excised totally or reduced in size to <2.5 cm to enable early resolution.Copyright © 2019 Elsevier Inc. All rights reserved.

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