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KMID : 0387820140210020128
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Clinical Pediatric Hematology-Oncology
2014 Volume.21 No. 2 p.128 ~ p.134
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Lower Diagnostic Value of Bone Marrow Biopsy in Children with Fever of an Unknown Origin
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Yang So-Min
Jin Song-Lee
Kim Hyo-Sun
Hahn Seung-Min
Lyu Chuhl-Joo
Han Jung-Woo
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Abstract
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Background: Diagnostic value of Bone marrow (BM) biopsies for fever of unknown ori-gin (FUO) remain controversial and BM biopsies are difficult to perform in young patients. Our study aimed to elucidate the diagnostic yield of BM biopsies in FUO pa-tients of all age, particularly for diagnosing hematological malignant diseases.
Methods:The medical records of 150 patients, hospitalized between January 1, 2008 and June 30, 2013, who underwent BM biopsies were evaluated to determine the cause of FUO. FUO was defined as fever (38.3oC, 101oF) either on several occasions during the 3 hospital days without a clear cause, after 1 week of invasive investigation, or after 3 outpatient visits. BM-specific diagnoses included those determined by BM biopsies (i.e., leukemia, lymphoma, myeloproliferative disease, myelodysplastic syndrome, aplas-tic anemia, and hemophagocytic lymphohistiocytosis).
Results:The final diagnoses of 24 patients (16%) were determined by BM biopsies; the majority included hematologic diseases and malignant neoplasms. Low hemoglobin lev-els, thrombocytopenia, bicytopenia, increased Lactate dehydrogenase (LDH) and ferritin levels, and ultrasonographic/computed tomographic abnormalities were significant risk factors (P＜0.05). The young patient group (＜18 years old) was safer from the tendency of BM biopsy diagnosis compared to adult patient group (＞40 years old).
Conclusion: Some laboratory abnormalities were related to the BM biopsy diagnostic yield. Furthermore, pediatric age was an important factor for deciding to do not perform excessive BM biopsies in FUO cases.
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KEYWORD
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Fever of unknown origin, Bone marrow biopsy, Hematological malignancy, Age, Predictive factors
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