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Related Experiment Video

Updated: Oct 7, 2025

Full-Endoscopic Interlaminar Approach for Decompression of Lateral Recess Stenosis

Full-Endoscopic Interlaminar Approach for Decompression of Lateral Recess Stenosis

Published on: February 24, 2023

Double Dome Laminoplasty: A Novel Technique for C2 Decompression.

Dong-Ho Lee¹, Gian Karlo P Dadufalza², Jong-Min Baik³

¹Department of Orthopedic Surgery, Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea.

|January 9, 2022

Summary

Double dome laminoplasty effectively decompresses the C2 lamina in cervical myelopathy patients. This technique preserves extensor muscle insertion, reduces neck pain, and maintains cervical lordosis.

Keywords:

C2 Cervical spine Dome laminoplasty Myelopathy OPLL

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Published on: April 21, 2023

Area of Science:

Neurosurgery
Spinal Surgery
Orthopedics

Background:

Cervical myelopathy often involves the C2 area due to ossification of the posterior longitudinal ligament.
Traditional C2 laminectomy can lead to complications and affect muscle function.

Purpose of the Study:

Introduce and evaluate the novel double dome laminoplasty technique.
Assess its efficacy in C2 decompression and preservation of extensor muscle insertion.

Main Methods:

Eleven cervical myelopathy patients with C2 ossification of the posterior longitudinal ligament underwent double dome laminoplasty.
Evaluated spinal cord decompression, posterior cord shift, Japanese Orthopaedic Association (JOA) scores, and cervical alignment.

Main Results:

Achieved a mean 69.7% increase in space available for the spinal cord at C2.
Observed an average posterior cord shift of 5.3 mm with a 58.0% JOA recovery rate.
Maintained cervical lordotic alignment in all patients without significant complications.

Conclusions:

Double dome laminoplasty is a recommended technique for C2 cervical myelopathy.
It effectively decompresses the C2 lamina, avoids C2 laminectomy, and preserves cervical alignment.