Rosa Ruchlemer1,2, Michal Amit-Kohn3, Ariella Tvito4,5, Irena Sindelovsky4,5, Ari Zimran6,7, David Raveh-Brawer8,9. 1. Hematology Department, Shaare Zedek Medical Center, POB 3235, Jerusalem, 91031, Israel. ruc@szmc.org.il. 2. The Hebrew University Medical School, Jerusalem, Israel. ruc@szmc.org.il. 3. Orthopedics Department, Shaare Zedek Medical Center, Jerusalem, Israel. 4. Hematology Department, Shaare Zedek Medical Center, POB 3235, Jerusalem, 91031, Israel. 5. The Hebrew University Medical School, Jerusalem, Israel. 6. Gaucher Unit, Shaare Zedek Medical Center, Jerusalem, Israel. 7. The Hebrew University Hadassah Medical School, Jerusalem, Israel. 8. Infectious Diseases Unit, Shaare Zedek Medical Center, Jerusalem, Israel. 9. Bio-Informatics Unit, Shaare Zedek Medical Center, Jerusalem, Israel.
Abstract
PURPOSE: Bone loss-osteopenia and osteoporosis-is a recognized consequence of solid tumors in adults, of pediatric hematological malignancies, and of the treatment for these diseases, but little research has been published on the adverse effects of hematological malignancies on the bone in adults. The aim of this study is to identify hematological diseases that are associated with the highest prevalence and severity of osteoporosis. METHODS: We evaluated DXA (dual-energy X-ray absorptiometry) in a cross-section of 181 adult patients with hematological neoplasms, excluding multiple myeloma. All patients were over 18 years of age, signed a local institutional review board (IRB)-approved consent form, and had completed a questionnaire regarding predisposing factors to osteoporosis. This data was supplemented by hospital charts. RESULTS: Bone loss as measured by DXA T scores was found in 65% of patients, of whom 38% had osteopenia and 27% osteoporosis. DXA Z scores under - 2.0 were found in 11.4% of patients, compared to the expected 2.5% of the normal population. The DXA Z scores varied by diagnosis, showing bone loss in 49% of chronic lymphocytic leukemia/small lymphocytic lymphoma, compared to 67% of non-Hodgkin lymphoma and 88% of Hodgkin disease; the scores were not affected by the duration of time from diagnosis to DXA (3.6, 2.0, and 1.6 years, respectively). CONCLUSION: Adult patients with hematological malignancies have significant bone loss compared to a normal age-matched population. The type of diagnosis is more important than the time from diagnosis in predicting risk for bone loss. Recognition of bone loss in these patients may warrant prophylactic measures and lifestyle changes before, during, and after therapy.
PURPOSE: Bone loss-osteopenia and osteoporosis-is a recognized consequence of solid tumors in adults, of pediatric hematological malignancies, and of the treatment for these diseases, but little research has been published on the adverse effects of hematological malignancies on the bone in adults. The aim of this study is to identify hematological diseases that are associated with the highest prevalence and severity of osteoporosis. METHODS: We evaluated DXA (dual-energy X-ray absorptiometry) in a cross-section of 181 adult patients with hematological neoplasms, excluding multiple myeloma. All patients were over 18 years of age, signed a local institutional review board (IRB)-approved consent form, and had completed a questionnaire regarding predisposing factors to osteoporosis. This data was supplemented by hospital charts. RESULTS:Bone loss as measured by DXA T scores was found in 65% of patients, of whom 38% had osteopenia and 27% osteoporosis. DXA Z scores under - 2.0 were found in 11.4% of patients, compared to the expected 2.5% of the normal population. The DXA Z scores varied by diagnosis, showing bone loss in 49% of chronic lymphocytic leukemia/small lymphocytic lymphoma, compared to 67% of non-Hodgkin lymphoma and 88% of Hodgkin disease; the scores were not affected by the duration of time from diagnosis to DXA (3.6, 2.0, and 1.6 years, respectively). CONCLUSION: Adult patients with hematological malignancies have significant bone loss compared to a normal age-matched population. The type of diagnosis is more important than the time from diagnosis in predicting risk for bone loss. Recognition of bone loss in these patients may warrant prophylactic measures and lifestyle changes before, during, and after therapy.
Entities:
Keywords:
Bone loss; Hematological malignancies; Osteoporosis
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