Figure 2
From: Peritoneal lymphomatosis confounded by prior history of colon cancer: a case report
Cytologic features of ascites. A) Malignant lymphoid cells with large hyperchromatic nuclei and high nuclear/cytoplasmic ratio are evident. (x400). B) Tumor cells express B cell marker, CD20. C) Tumor cells demonstrate high Ki67 index. D) Immunoglobulin heavy chain rearrangement study demonstrate clonal rearrangement. IgH(+)Ctl; positive control, (-)Ctl; negative control; D.W; distilled water, C10-3256; case with negative control, p10-14338/CB; present case