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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Methotrexate-associated lymphoproliferative disorder in the stomach and duodenum: a case report

Fig. 2

a, Histology of biopsy specimens from ulcerated stomach lesions showing infiltration of large atypical lymphocytes (H&E × 400). b, Immunohistochemical studies revealing the expression of CD5 (× 400), c, CD20 (× 400), d, and Ki-67 antigen (× 400), but the absence of e, cyclin D1 (× 400), f, CD10 (× 400), g, CD30 (× 400), h, BCL-2 (× 400), and i, the EBV (using EBER-ISH) (× 400)

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