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Single, small, enhancing lesions that often resolve spontaneously are frequent findings on CTs of Indian patients with seizures. Based on ELISA and biopsy data, the majority of these lesions are probably cysticercosis. To determine if these patients should be treated with albendazole, we performed a double-blind, randomized, placebo-controlled study involving 75 patients with seizures and the appropriate CT abnormality without neurologic abnormality on examination. Patients were randomized to albendazole (15 mg/kg/d) and placebo for 1 week, and we obtained serial CTs at the end of 1 week, 1 month, and 3 months. All patients completed a 3-month follow-up and none had systemic evidence of tuberculosis or cysticercosis. The lesions varied in size from 3 mm to 2.1 cm, with an average size of 1.18 cm. Serum ELISA for cysticercosis was positive in 30 and CSF ELISA was positive in 20 of 45 patients. Forty patients received albendazole and 35 received placebo. At the end of 3 months, a total of 68 patients showed resolution. Thirty-five of 40 patients who received albendazole showed resolution, as opposed to 33 of 35 patients on placebo. We conclude that albendazole therapy was not beneficial.