Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) arising in the small intestine with monoclonal cryoglobulinemia.

A case of small intestinal extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) with monoclonal cryoglobulinemia is described. The patient was a woman in her mid-sixties with purpura of the bilateral lower legs and abdominal pain. An immunoserological investigation showed expression of IgM-kappa type monoclonal cryoglobulin.

Anaplastic large cell lymphoma of the mediastinum diagnosed by transbronchial scratch cytology. A case report.

Background: Anaplastic large cell lymphoma (ALCL) is a subtype of non-Hodgkin's lymphoma characterized by CD30 antigen-positive, large neoplastic cells. We describe a case of ALCL suggested by cytologic examination of the tumor cells obtained from bronchial scratch preparations.

Case: A 26-year-old woman had had a dry cough since November 1996.