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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: Secondary cluster headache and numb chin syndrome as initial manifestation of high-grade B-lymphoma: a case report

Fig. 2

Histopathological findings. A [40×, hematoxylin and eosin (HE)]. Gastric mucosa with lymphoid neoplasm consisting of intermediate to large cells with scant cytoplasm arranged in a diffuse pattern. B (40×, immunohistochemistry). The neoplastic cells show immunoreactivity for CD20. C (40×, immunohistochemistry). The proliferation rate is very high, with nearly 100% of the cells positive for Ki67. D (10×, HE). Soft tissues and nerve fillets of maxillary region with involvement by lymphoid neoplasm

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