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Fig. 2 | Chinese Neurosurgical Journal

Fig. 2

From: The protean manifestations of central nervous system IgG4-related hypertrophic pachymeningitis: a report of two cases

Fig. 2

Patient 1. Histopathological microphotographs of the dural lesion showing classical features of IgG4-RD. Diffuse lymphoplasmacytic infiltrates comprising of plasma cells (black arrow), lymphocytes (blue arrow), and histiocytes (red arrow) (a, hematoxylin and eosin stain, HPF). Storiform “cartwheel” fibrosis was observed (b, white-dotted area, hematoxylin and eosin stain, LPF). Obliterative phlebitis was also detected (c, Hematoxylin and Eosin stain). Additional IHC showed > 10 IgG4+ plasma cells per HPF (d)

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Chinese Neurosurgical Journal

ISSN: 2057-4967

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