https://www.selleckchem.com/pr....oducts/poziotinib-hm
Presence of air in the spinal canal, called pneumorrhachis (PR) is a rare and likely unrecognized condition often due to traumatic or iatrogenic causes. Most of PR occur after repeated epidural ponction or penetrating trauma or brutal intra-alveolar increase especially in asthma attack. Non traumatic and non iatrogenic causes are uncommon but can appear in a neoplastic context. To evaluate the effect of withdrawing ixekizumab in patients with psoriatic arthritis (PsA) who had achieved minimal disease activity (MDA) after op