Fig 4.
Examples of epidural leaks in our series. A and B, A central ventral epidural leak at T6 in a multiple myeloma vertebral cement augmentation, which was asymptomatic. C, A small lateral foraminal epidural leak, causing a transient, self-resolving radicular pain. D, A quite large ventral epidural leak that required stopping the cement injection, resulting in technically unsatisfactory cement filling of the vertebral body. The leak was otherwise clinically silent.