Chronic back pain secondary to a calcified epidural blood patch.

摘要

EPIDURAL blood patch (EBP) is a commonly performed procedure to alleviate post-dural puncture headache (PDPH). Although very effective, EBP is not free of serious complications This case is the first report of an EBP that, rather than being absorbed, organized to form a chronic spinal epidural hematoma (SEH), resulting in radicular symptoms. Furthermore, this is also the first report of an SEH undergoing ossification, a phenomenon known to occur with cranial epidural hematomas