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Annals of Oncology 4:245-250, 1993
© 1993 European Society for Medical Oncology

research-article

Malignant lymphoproliferative disorders in liver cirrhosis

L. Lombardo1,, D. Rota Scalabrini2, P. Vineis3 and M. De La Pierre1

1Department of Gastroenterology Torino
2Department of Hematology, Ospedale Mauriziano Torino
3Unit of Cancer Epidemiology, Dipartimento di Scienze Biomediche e Oncologia Umana, University of Torino Torino, Italy

Lucio Lombardo, M.D., Department of Gastroenterology, Ospedale Mauriziano, Largo Turati 62, 10100-Torino, Italy

BACKGROUND: Lymphoproliferative disorders in patients with liver cirrhosis, although uncommon, have been reported in at least 49 cases. Some authors have suggested that the association between chronic liver disease and lymphoma is not coincidental, that immune mechanisms may be pathogenetically involved.

PATIENTS AND METHODS: In the present study we calculated the incidence rate of lymphoproliferative disorders in 334 liver cirrhosis patients (201 males, mean age 59 ± 12; 133 females, mean age 61 ± 11) treated at the Gastroenterology Department of the Mauriziano Hospital in Turin from January 1987 to September 1990.

RESULTS: We diagnosed 12 lymphoproliferative disorders, corresponding to an incidence of 9.56/1,000 person-years, a figure much higher than expected on the basis of the incidence rate registered in the Turin general population. Six of the 12 lymphoproliferative disorders were non-Hodgkin's lymphomas of the stomach, a proportion by far exceeding expectation.

CONCLUSIONS: Our data support the hypothesis that the association between chronic liver disease and lymphoproliferative disorders is not just coincidental, and suggest that liver cirrhosis might be considered an immunological disturbance which entails an increased risk of developing lymphoproliferative disorders. Mechanisms causing lymphoproliferative disorders to develop in the course of chronic liver disease have been hypothesized.

liver cirrhosis, lymphoproliferative disorders


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