The Application of Sigmoid Sinus Tunnel-packing or Push-packing of the Inferior Petrous Sinus in the Microsurgical Management of Jugular Paragangliomas


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Abstract

Objective:To analyze the outcomes of microsurgically treated jugular paragangliomas with control of bleeding from the inferior petrous sinus.Study Design:Retrospective patient review.Setting:A single university hospital.Patients:Forty-three patients with jugular paragangliomas were diagnosed in the past 7 years in our clinic.Main Outcome Measures:Surgical tumor control, intraoperative blood loss, intraoperative management of the facial nerve, and the preoperative and postoperative function of the lower central nerves.Results:Twenty-six patients underwent microsurgical treatment. Eighteen tumors were class C2 (69.2%), six were class C3 (23.1%), and two were class CDe1 (7.7%). Gross total tumor resection was achieved in 92.3% of the patients. The mean blood loss during surgery was 438.5 ml. The recurrence rate was 3.8% over a mean follow-up of 29.2 months. New facial palsy and lower cranial nerve deficit occurred in 42.3 and 11.5% of the patients, respectively.Conclusion:The infratemporal fossa approach type A with sigmoid sinus tunnel-packing or push-packing technique facilitated the control of bleeding from the inferior petrous sinus and improved the outcomes of microsurgical treatment for jugular paragangliomas.

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