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Patient with immunoproliferative disease and lung carcinoma: A case report

There are a number of reports on collision occurrance of non-hematologic cancers and Non-Hodgin's lymphoma (NHL) and multiple myeloma. In this report we present a case of patient with immunoproliferative disease, extramedullary plasmocytoma and NHL-lymphoplasmocytoid lymphoma (LPL) and squamous cell carcinoma of the lung. After diagnosis of extramedullary plasmocytoma cytostatic therapy was commenced and the patient was well. Five years after patient was clinically worse and diagnostic evaluation this time revealed lymphoplasmocytoid cells in bone marrow. Five months later malignant morphologically undifferentiated cells were found in bone marrow which were by immunocytochemistry established as CD38 positive. After the patient's death, disseminated NHL-LPL and squamous cell carcinoma of lung was confirmed. In the report, we compared clinical course and diagnostic findings of our patient with literature data. We have also discussed the possible relationship of multiple B-cell lymphoid tumors and squamous cell carcinoma concluding that multidiscplinary diagnostic tools are essential not only for carcinoma diagnosis and follow-up, but also for further understanding of carcinogenesis.

plasmocytoma ; non-Hodgkin lymphoma ; hematologic and nonhematologic collision tumors

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