Malignant lymphoma of thenasopharyns in waldenström's macroglobulinemia: report of a case with severe epistaxis.

An elderly woman with Waldenström's macroglobulinemia of four years' duration developed repeated severe epistaxis. This led to the discovery of a large malignant lymphoma of the nasopharynx. The clinical features of this rare case are discussed in relation to our present understanding of WM. Epistaxis in macroglobulinemic patients may be associated with anatomic lesions of the nasopharynx.