these results demonstrate that extranodal , noncutaneous lymphoid neoplasms meeting the histopathologic and immunophenotypic criteria for benign lymphoid hyperplasia frequently contain occult monoclonal and oligoclonal b-cell populations representing a continuous and progressive spectrum of b-cell neoplasia up to and including malignant lymphoma .
C0004561
b-cell
C0079731
b-cell neoplasia