Splenic marginal zone lymphoma with or without villous lymphocytes: Hematologic findings and outcomes in a series of 57 patients

Claudio Tripodo, Vito Franco, Ada Maria Florena, Emilio Iannitto, Maura Colosio, Achille Ambrosetti, Giovanni Pizzolo, Fabio Menestrina

Risultato della ricerca: Articlepeer review

54 Citazioni (Scopus)


BACKGROUND. Splenic marginal zone lymphoma (SMZL) is a well defined pathologic entity. However, questions regarding the bone marrow infiltration rate, the minimal diagnostic data set, and therapy remain unanswered. METHODS. Clinical-pathologic features and outcomes of 57 consecutive patients who had splenomegaly with no clinically significant lymphadenomegaly and who were diagnosed with SMZL with or without (±) villous lymphocytes (VL) were reviewed. RESULTS. SMVL ± VL occurred mostly in elderly males (median age, 62 years ±10 years; male-to-female ratio, (1.85). Anemia was recorded in 49% of patients, and 30% of patients had moderate thrombocytopenia. Leukocytosis and leukopenia were found in 33% and 14% of patients, respectively, and typical VL were found in 84% of patients. Serology for hepatitis C virus infection was positive in 16% of patients, and a small monoclonal component was detected in 36% of patients. The bone marrow was infiltrated with an intrasinusoidal component in all patients. Thirteen patients were monitored using a watch-and-see policy, and they remained alive 1-5 years after diagnosis. Overall, 21 patients (36%) underwent splenectomy; and, in all patients, the diagnosis of SMZL was confirmed histologically in the surgical specimens. Twenty-five patients received single-agent therapy, which included either alkylators or pentostatine, and they achieved an overall response rate (ORR) of 65% and 87%, respectively: Polychemotherapy was administered to 6 patients (ORR, 83%). The median survival for all patients in the series was not reached, and it is expected that 70% of patients will be alive at 5 years. CONCLUSIONS. Up to 20% of patients who had SMZL ± VL could be monitored using a watch-and-wait policy. The bone marrow intrasinusoidal infiltration pattern may be a valuable diagnostic hallmark, thus obviating diagnostic splenectomy. The issues regarding prognostic stratification and the best therapeutic strategy need to be addressed in properly designed, prospective trials. © 2004 American Cancer Society.
Lingua originaleEnglish
pagine (da-a)2050-2057
Numero di pagine8
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

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