•
95% of OAL are B-cell neoplasms
o
Extranodular marginal zone lymphoma of mucosa-associated
lymphoid tissue (MALT) type = 35-80%
o
Follicular lymphoma = 20%
o
Diffuse large B-cell lymphoma = 8%
o
Mantle cell lymphoma, small lymphocytic lymphoma and
lymphoplasmacytic lymphoma = less common
Introduction