![](https://mail.fondoscience.com/sites/default/files/styles/figures_tables/public/articles/images/reacae.30380.fs2209015en-figure8.png?itok=RCLL0wPY)
Figure 8. Radiological view of ipsilateral single-portal interlaminar endoscopy. In this technique the option of exploring the vertebral foramen (which in the open technique requires arthrectomy) was initially discarded; with the development of the procedure, exploring the foramen has also become technically possible.