Diagnostic features of gastric extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue

Gastric extranodal marginal zone B-cell lymphomas of mucosa-associated lymphoid tissue may be difficult to distinguish from florid gastritis and other small B-cell lymphomas. The following review details a practical summary of the morphologic features, immunohistochemical markers, and molecular tests that currently provide for an accurate diagnosis in daily practice.