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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Related Experiment Video

Updated: Dec 26, 2025

Intraoperative Ultrasound in Spinal Surgery
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Large Cervical Ependymoma: 2-Dimensional Operative Video.

Benjamin K Hendricks1, Robert F Spetzler1

  • 1Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona.

Operative Neurosurgery (Hagerstown, Md.)
|March 10, 2020
PubMed
Summary

This study details the successful surgical resection of a large upper cervical ependymoma in an adult. The procedure prioritized preserving neurological function and pial venous plexus during tumor removal.

Keywords:
CervicalEpendymomaIntraduralIntramedullaryMicrosurgical

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Area of Science:

  • Neurosurgery
  • Oncology
  • Spinal Cord Tumors

Background:

  • Spinal ependymomas constitute 60% of spinal gliomas, predominantly affecting adults.
  • These tumors are typically benign, with maximal surgical resection and neurological preservation as the primary treatment goals.

Purpose of the Study:

  • To demonstrate the surgical principles for maximal resection of a large upper cervical ependymoma.
  • To highlight the importance of preserving the pial venous plexus during posterior midline raphe dissection.

Main Methods:

  • A cervical laminotomy approach was utilized for tumor access.
  • Detailed surgical technique focused on identifying and dissecting the posterior midline raphe.
  • Emphasis was placed on preserving the pial venous plexus throughout the procedure.

Main Results:

  • Gross total surgical resection of the large upper cervical ependymoma was achieved.
  • The patient's baseline neurological function was preserved post-operatively.

Conclusions:

  • Maximal surgical resection of spinal ependymomas is feasible with careful attention to anatomical structures.
  • Preservation of neurological function and venous plexuses is critical for successful outcomes in spinal glioma surgery.