Diagnostic Workup of Small B Cell Lymphomas: A Laboratory Perspective

Table 1

Useful morphologic findings in differential diagnosis of small B cell lymphomas.

Diagnosis	Low power	Nuclei
SLL	Diffuse infiltrate	Round
	Pseudofollicles
	Proliferation center
MZL	Marginal zone expansion	Irregular
	Interfollicular monocytoid cells
	Follicular colonization
MCL	Diffuse or nodular infiltrate	Irregular
	Mantle zone expansion
	Atrophic germinal center
FL	Monotonous follicles	Cleaved