Based on our data, there is no significant increased risk of postoperative CSF leak between transsellar and expanded EEA defects when a PNSF is used. The potential risk of postoperative CSF leaks associated with larger defects created through expanded EEA can be minimized by multilayered closure with a PNSF and meticulous surgical technique.
Endoscopic access to the ITF can be accomplished by each of the 4 methods described. A multiangle, graduated approach can provide surgeons the ability to customize surgical access depending on the location of a specific lesion within the ITF.
The MHLP was demonstrated to be a feasible approach and alternative to more traditional endoscopic procedures in addressing unilateral frontal sinus disease. This modification may be useful in addressing difficult to access unilateral disease that may otherwise require more extensive resection. This demonstration helps define the accessibility of the lateral frontal sinus via an MHLP and begins to provide estimates of which patients may benefit from this approach.
Acromegaly patients present a particular challenge to the endoscopic skull base surgeon. Despite preoperative anesthesia and otolaryngology evaluation, many of these patients will experience an unanticipated airway challenge during intubation. Preoperative preparation and perioperative awareness of anatomic and physiologic abnormalities of acromegalic patients is essential for successful endoscopic surgery in this unique population.
The modified mini-Lothrop procedure/extended Draf IIB represents a feasible approach and adequate alternative to more traditional endoscopic and open frontal sinus procedures in select cases. This modification was successful in addressing difficult to access unilateral frontal sinus disease in this small cohort.
Management of the paranasal sinuses is paramount to maintain healthy sinonasal function in patients undergoing ESBS. In our experience, most cases of CRS and CRSP can be surgically managed at the time of ESBS without increased risk of intracranial infection. Patients with ARS at the time of surgery or an FB should be staged to avoid postoperative ESBS morbidity.
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