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Non-Hodgkin’s lymphoma with bone involvement: a single center experience with 18 patients

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Author(s): Filiz Vural | Nur Akad Soyer | Pınar Özen | Ayhan Dönmez | Serkan Ocakçı | Güray Saydam | Seçkin Çağırgan | Murat Tombuloğlu

Journal: Turkish Journal of Hematology
ISSN 1300-7777

Volume: 27;
Issue: 01;
Start page: 29;
Date: 2010;
Original page

Keywords: Non-Hodgkin’s lymphoma | bone | lymphoma

ABSTRACT
Objective: Non-Hodgkin’s lymphoma (NHL) of bone is a rare entity. The most common histological subtype is diffuse large B cell lymphoma (DLBCL). The major presenting symptoms are soft tissue swelling, bone pain and pathological fracture. Treatment options are chemotherapy, radiotherapy, surgery, or a combination of these modalities. Materials and Methods: We retrospectively analyzed the 18 patients (11 females, 7 males) with NHL of bone who were diagnosed and treated between 1995-2005. The median age was 56.5 years. The median duration of symptoms was 4.5 months. The bone pain was the first symptom in all patients. Tru-cut biopsy was performed for diagnosis in most of the cases. Diagnosis in five patients (27.8%) required open biopsy. Results: DLBCL (77.8%) was the most common histological type among all patients. Other histological subtypes were anaplastic large cell lymphoma (11.1%), Burkitt-like lymphoma (5.6%) and marginal zone lymphoma (5.6%). According to Ann Arbor staging system, 44.4% of patients were Stage I, 11.1% were Stage II and 44.4% were Stage IV. Bone marrow involvement was determined in four patients (22.2%). All patients except one were treated with anthracycline-containing regimens and eight patients (44.4%) received rituximab combination with chemotherapy. Radiation therapy was performed as the first-line therapy in 9 (50%) patients. The median follow-up was 37 months (range, 2-124 months). Among the 17 patients who achieved complete remission, five (27.8%) relapsed. All patients were still alive. The five-year relapse-free survival was 73.5%.Conclusion: The treatment of bone lymphoma can be planned according to the stage and location of the disease. Although we had a relatively low number of patients, it could be concluded that whether or not radiation therapy is performed, rituximab in combination with systemic chemotherapy has been proven beneficial on survival.
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