Figure 1.

(A) Fine-needle aspiration of thymoma showing predominately round to oval cells with moderate nuclear atypia in type AB thymoma. Note thick nuclear membranes and more prominent nucleoli. (B): High power view of type AB thymoma .Marked pleomorphism characterized these cells. Few lymphocytes are present.

Khaki et al. Diagnostic Pathology 2013 8:98   doi:10.1186/1746-1596-8-98
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