Figure 1: Shows presence of diffuse collection of mononuclear cells in swelling in tenon’s capsule which are 1.5-2 times the size of small mature lymphocyte with high nuclear cytoplasmic ratio, scant cytoplasm, opened up chromatin and prominent nucleolus in few of these cells (H/E, 100 X); These cells are CD99 positive as shown in the inset (40 X).