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An isolated and unilateral foot drop due to intracranial lesion is quite rare. Presenting herein a case of a 14-year-old female who complained of inability to wear and hold slipper in her left foot. Detailed neurological examination revealed left foot dorsiflexion which had 1/5 muscle power along with brisk left ankle reflex. Magnetic resonance imaging of the brain revealed multiple conglomerate inflammatory granulomas in cerebrum and cerebellum, larger one in right parasagittal region with perifocal oedema. Magnetic resonance spectrum was suggestive of tuberculoma. Her chest X-ray chest revealed milliary shadowing. She was put on antitubercular drugs, steroid and a prophylactic anti-epileptic drug. The dorsiflexion improved to grade 4/5 after three weeks of treatment. The motor homunculus for foot is located in parasagittal area. Therefore, in patients with foot drop, we must keep high index of suspicion for parasagittal lesions, so that prompt diagnosis and early management can be done to prevent complications and improve the quality of life of patient.