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Related Experiment Video

Updated: Feb 14, 2026

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Restrictive Strabismus Following Frontotemporal-orbitozygomatic Craniotomy.

Oluwatobi O Idowu1, Evan Kalin-Hajdu1, F Lawson Grumbine2

  • 1Ophthalmology, University of California, San Francisco.

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|February 22, 2018
PubMed
Summary

Frontotemporal-orbitozygomatic craniotomy for sphenoid wing meningiomas can cause restrictive strabismus. Prompt intervention with forced duction testing and orbitotomy is crucial for restoring eye muscle function after orbital reconstruction.

Keywords:
diplopiaforced duction testingfrontotemporal-orbitozygomatic craniotomylateral rectusorbital reconstructionrestrictive strabismussphenoid wing meningioma

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Area of Science:

  • Neurosurgery
  • Ophthalmology
  • Craniofacial Surgery

Background:

  • Frontotemporal-orbitozygomatic craniotomy (FTOZ) is a standard surgical approach for large sphenoid wing meningiomas (SWMs).
  • Orbital reconstruction is often necessary following tumor resection.
  • Ophthalmologic complications, such as restrictive strabismus, can occur postoperatively.

Observation:

  • This case series describes two patients who developed acute postoperative restrictive strabismus after FTOZ for SWMs and subsequent orbital wall reconstruction.
  • Symptoms included limited eye movement and pain, indicative of extraocular muscle dysfunction.
  • Physical examination and imaging were essential in diagnosing the cause.

Findings:

  • Forced duction testing revealed mechanical impingement of the lateral rectus muscle.
  • Impingement was attributed to either an alloplastic implant used in orbital reconstruction or residual bone fragments.
  • Immediate orbitotomy and release of the impinged muscle successfully restored normal extraocular muscle function.

Implications:

  • This highlights potential ophthalmologic risks associated with FTOZ for SWMs, particularly concerning orbital reconstruction.
  • Intraoperative forced duction testing is critical for early detection and management of extraocular muscle impingement.
  • Careful attention to orbital reconstruction techniques and materials is necessary to prevent postoperative strabismus.