Fig. 4

Imaging and pathological findings of MCL (case 2). a. CT showed an irregular soft tissue mass at the right posterior aspect of the tongue base. b. Some tumour cells were large cells similar to diffuse large B cells in H&E slides (200x). c. Some tumour cells were medium-sized with a clear cytoplasm (200x). d. Tumour cells were positive for CD5 (200x). e. Tumour cells were positive for Cyclin D1 (200x). f. Ki-67 staining of the tumour cells (200x)