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Blastic, angiocentric, Epstein-Barr virus positive B-cell infiltration from colon: haematoxylin and eosin stain (A), CD 20 immunostaining (B) and in situ.

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Presentation on theme: "Blastic, angiocentric, Epstein-Barr virus positive B-cell infiltration from colon: haematoxylin and eosin stain (A), CD 20 immunostaining (B) and in situ."— Presentation transcript:

1 Blastic, angiocentric, Epstein-Barr virus positive B-cell infiltration from colon: haematoxylin and eosin stain (A), CD 20 immunostaining (B) and in situ hybridisation (DAKO EBER PNA Probe) for Epstein-Barr virus (C) (magnification × 65). Blastic, angiocentric, Epstein-Barr virus positive B-cell infiltration from colon: haematoxylin and eosin stain (A), CD 20 immunostaining (B) and in situ hybridisation (DAKO EBER PNA Probe) for Epstein-Barr virus (C) (magnification × 65). S R Vavricka et al. Postgrad Med J 2004;80: Copyright © The Fellowship of Postgraduate Medicine. All rights reserved.

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Copyright © 2004 American Medical Association. All rights reserved.

Copyright © 2004 American Medical Association. All rights reserved.
Fig. 2. Histopathological findings for initial angioimmunoblastic T-cell lymphoma (AITL) of lymph node (A~C) and secondary diffuse large B-cell lymphoma.

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(A) A 35 year old man with Wegener's granulomatosis.

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Chest radiograph (A) showing confluent infiltrations of the left and right lower lobe. Chest radiograph (A) showing confluent infiltrations of the left.

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Figure Photomicrograph of the lung biopsy showing a focus of interstitial pneumonitis composed of lymphocytes and macrophages with occasional eosinophils.

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A: original duodenal biopsy illustrating subtotal villous atrophy; B: following a gluten-free diet, small bowel morphology improved to near normal appearance;

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(A) Colonic mucosa with inflammation and necrosis (× 40) and (B) at higher magnification (× 100). (A) Colonic mucosa with inflammation and necrosis (×

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Figure 3 Immunohistochemical analyses of positive and negative Epstein-Barr virus (EBV) control tissues using immunostaining Immunohistochemical analyses.

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