Skip to main content
. Author manuscript; available in PMC: 2017 Aug 8.
Published in final edited form as: J Neurosurg Spine. 2016 Aug 12;26(1):76–80. doi: 10.3171/2016.5.SPINE16119

Fig. 2.

Fig. 2

Fibrosis and scattered lymphoid aggregates are observable (A). There are also focal areas of plasma cell clusters (B), some of which are positive for IgG4 (C). H & E (A and B), original magnification ×4 (A) and ×40 (B and C).