Early Bronchus-Associated Lymphoid Tissue Lymphoma Diagnosed with Immunoglobulin Heavy Chain Molecular Testing

Figure 2

(a) Hematoxylin and eosin-stained lung wedge biopsy showing nodular and interstitial lymphoid infiltrates. Nodule (arrow head) interstitial infiltrate (arrow) (original magnification ×20). (b) Hematoxylin and eosin-stained lung wedge biopsy showing benign germinal centre (arrow) (original magnification ×1000). (c) Hematoxylin and eosin-stained lung wedge biopsy showing atypical lymphoplasmacytic infiltrate around bronchovascular bundle, around blood vessel (arrow head), and around bronchioles (arrow) (original magnification ×100). (d) Hematoxylin and eosin-stained lung wedge biopsy showing atypical small lymphoid cells within the nodular infiltrate (original magnification ×400).

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