Less than 1% of all<unk> s are<unk> s and it is postulated that<unk>  may represent a large fraction of unclassifiable CD5- chronic lymphocytic leukemias. The typical patient is over the age of 50, and gender preference has been described.
Splenic marginal zone lymphoma
Nodal marginal zone B cell lymphoma
Hepatosplenic T-cell lymphoma
Primary mediastinal B-cell lymphoma
Marginal zone B-cell lymphoma
Pediatric-type follicular lymphoma
Duodenal-type follicular lymphoma
Diffuse infiltrative lymphocytosis syndrome