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This article discusses the secondary repair of iatrogenic cerebrospinal fluid (CSF) leaks during functional endoscopic sinus surgery (FESS) in a tertiary-care center. The study included 12 patients who underwent secondary repair of CSF leaks. The average time from initial surgery to presentation at the institution was 8.25 days, and CSF leaks were recognized intraoperatively in 33.3% of cases. The management included updated CT scans, intravenous ceftriaxone, and operative repair tailored to each patient. Acetazolamide was started postoperatively for patients with a BMI greater than 40, and there were no cases of persistent CSF leaks or meningitis. [Extracted from the article]