non-Hodgkin lymphoma cell line mantle cell lymphoma cell 2010-02-04T10:18:47Z BTO:0004472 BrendaTissueOBO MCL cell Mantle cell lymphoma is one of the rarest of the non-Hodgkin's lymphomas, comprising about 6% of NHL cases. It is a subtype of B-cell lymphoma, due to CD5 positive antigen-naive pregerminal center B-cell within the mantle zone that surrounds normal germinal center follicles. Marion