Fig. 4From: Lymphoblastic lymphoma in two young siblings (coincidence or genetics?): two case reportsHistological findings of the mediastinal mass in case 2 (fine-needle biopsy). a (H&E, ×100) and b (H&E, ×600) show the malignant lymphocytes, which are CD3 (c) and TdT (d) positive, WT1 (e) negative. Ki67 is 50% (f)Back to article page