Fig. 3
From: Langerhans cell histiocytosis at L5 vertebra treated with en bloc vertebral resection: a case report
A modified L5 en bloc vertebral resection was performed using anterior and posterior approaches. a The anterior portions of L4–S1 vertebrae were exposed using an anterior approach. b The L5 vertebra was rotated out through the posterior approach. c The vertebra was removed, leaving the nerve roots and dural sac intact. d A gross view of the removed vertebra and lesion