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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]

Introduction  Olfactory groove meningiomas (OGMs) are often associated with loss of smell following resection. Loss of smell has a measurable impact on quality of life. Smell preservation has been previously described in open approaches for early stage or unilateral OGMs. Evidence of smell preservation in endoscopic approaches is lacking. Design  A multi-institutional retrospective review was performed on consecutive patients who underwent unilateral endoscopic endonasal resection of OGM. A gross total resection was achieved with preservation of the contralateral olfactory cleft and bulb. Olfactory function was assessed with a six-point olfactory symptom score and the Sniffin' Sticks 12-item smell identification test (SS-12). Contralateral olfactory bulb volume was measured on postoperative magnetic resonance imaging. Results  Four patients (age 42.0 ± 7.5, 75% female) were assessed. Olfactory function was assessed at 21.8 ± 5.6 months following surgery. All patients reported some degree of smell preservation (75% described a slight/mild impairment in smell or better). Olfactory identification was preserved with an SS-12 score of 9 ± 1.4 (anosmia defined as ≤6). The olfactory bulb volume was calculated to be 47.4 ± 15.9 mm 3 (normal >40 mm 3). Conclusion  Smell preservation is possible following unilateral endoscopic endonasal resection of carefully selected OGM. [ABSTRACT FROM AUTHOR]