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Related Experiment Video

Updated: Jun 17, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
06:59

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

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Parallel Postauricular Incisions in Transmastoid CSF Leak Repair: Wound Outcomes.

Derrick Obiri-Yeboah1, John P Marinelli2, Alex Pais1

  • 1Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA.

The Laryngoscope
|June 16, 2026
PubMed
Summary

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Same author

Bacteriophage therapy of Mycobacterium abscessus mastoiditis.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2026
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Preoperative management and surgical candidate selection in patients with vestibular schwannoma.

Journal of neuro-oncology·2026
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Early Versus Late Recurrence in Olfactory Neuroblastoma: A Multi-Institutional Analysis of Predictive Risk Factors.

International forum of allergy & rhinology·2026
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Early Findings from the Multicenter RAPID Consortium on Papillary Craniopharyngiomas.

Journal of neurological surgery. Part B, Skull base·2026
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Photon-counting detector computed tomography for temporal bone: does higher resolution matter?

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NF2-related Schwannomatosis Diagnosed Before and After 30 Years of Age: Differences in Disease Presentation and Rates of Positive Genetic Testing.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2026

A new postauricular incision for transmastoid repair of cerebrospinal fluid (CSF) leaks after vestibular schwannoma surgery is safe and effective. This approach leads to durable wound healing without increased complications, improving patient outcomes.

Area of Science:

  • Neurosurgery
  • Otolaryngology
  • Plastic Surgery

Background:

  • Cerebrospinal fluid (CSF) leak is a common complication after retrosigmoid vestibular schwannoma resection.
  • Historically, transmastoid repair involved reopening the prior retrosigmoid incision due to concerns about a separate postauricular incision.
  • A focused mastoid incision may offer better access and patient tolerance.

Purpose of the Study:

  • To evaluate wound healing outcomes of transmastoid repair using a new postauricular incision for persistent CSF leak.
  • To assess the safety and efficacy of this approach in patients without serviceable hearing.

Main Methods:

  • Retrospective review of 27 patients undergoing transmastoid repair for persistent postoperative CSF leak after retrosigmoid craniotomy for vestibular schwannoma.
Keywords:
cerebrospinal fluid leakpostauricular incisionretrosigmoid craniotomytransmastoid repairvestibular schwannoma

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Last Updated: Jun 17, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
06:59

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  • Analysis of demographics, operative details, leak diagnosis and repair timing, wound complications, readmissions, and antibiotic use.
  • All patients underwent repair using a new postauricular incision.

    • Main Results:

    • The median age was 48 years, with 67% males and a mean BMI of 29.0 kg/m².
    • A new postauricular incision was used in all cases, with mastoid obliteration and fat grafting performed in most patients.
    • Only one patient (3.7%) developed a superficial wound abscess; no dehiscence or flap necrosis occurred. All wounds healed at follow-up.

    Conclusions:

    • A separate postauricular incision for transmastoid CSF leak repair is not associated with increased wound morbidity.
    • Durable wound healing was achieved in all patients, supporting this anatomy-driven approach.
    • This technique offers a safe and effective alternative for managing CSF leaks.