pubmed:abstractText |
The authors report a case of malignant lymphoma, small lymphocytic type, involving the lymphoid stroma of a Warthin's tumor of the parotid gland. This was confirmed by the presence of a monoclonal immunoglobulin heavy chain gene rearrangement, demonstrated by Southern blot hybridization of DNA extracted from paraffin-embedded tissue. Similar techniques showed only germline immunoglobulin gene bands in two control cases of Warthin's tumor.
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