title: Bone marrow biopsy findings in brucellosis patients with hematologic abnormalities.
abstract: BACKGROUND
  Brucellosis can mimic various multisytem diseases, showing wide clinical polymorphism that frequently leads to misdiagnosis and treatment delay, further increasing the complication rates. In this study, we aimed to examine bone marrow biopsy findings in brucellosis cases presenting with hematologic abnormalities.
  
  
  METHODS
  Forty-eight brucellosis cases were prospectively investigated. Complaints and physical examination findings of patients were recorded. Patients' complete blood count, routine biochemical tests, erythrocyte sedimentation rate, C-reactive protein and serological screenings were performed. Bone marrow biopsy and aspiration was performed in patients with cytopenia, for bone marrow examination and brucella culture, in accordance with the standard procedures from spina iliaca posterior superior region of pelvic bone.
  
  
  RESULTS
  Of the 48 patients, 35 (73%) were female and 13 (27%) were male. Mean age was (34.8 ± 15.4) years (age range: 15 - 70 years). Anemia, leukopenia, thrombocytopenia and pancytopenia were found in 39 (81%), 28 (58%), 22 (46%) and 10 patients (21%), respectively. In the examination of bone marrow, hypercellularity was found in 35 (73%) patients. Increased megacariocytic, erythroid and granulocytic series were found in 28 (58%), 15 (31%) and 5 (10%) patients, respectively. In addition, hemophagocytosis was observed in 15 (31%) patients, granuloma observed in 12 (25%) and increased eosinophil and plasma cells observed in 9 (19%) patients.
  
  
  CONCLUSIONS
  According to the results of our series, hemophagocytosis, microgranuloma formation and hypersplenism may be responsible for hematologic complications of brucellosis.
authors.affiliation: Department of Hematology Faculty of Medicine, Yuzuncu Yil University, Van, Turkey. drcengizdemir@hotmail.com
authors.forename: Cengiz
authors.initials: C
authors.lastname: Demir
authors.forename: Mustafa Kasim
authors.initials: MK
authors.lastname: Karahocagil
authors.forename: Ramazan
authors.initials: R
authors.lastname: Esen
authors.forename: Murat
authors.initials: M
authors.lastname: Atmaca
authors.forename: Hayriye
authors.initials: H
authors.lastname: Gönüllü
authors.forename: Hayrettin
authors.initials: H
authors.lastname: Akdeniz
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy / Q000379:methods*; D001853:Bone Marrow / Q000378:metabolism / Q000473:pathology*; D002006:Brucellosis / Q000150:complications* / Q000378:metabolism / Q000503:physiopathology*; D002097:C-Reactive Protein / Q000378:metabolism; D005260:Female; D006099:Granuloma / Q000209:etiology / Q000378:metabolism / Q000503:physiopathology; D006801:Humans; D006971:Hypersplenism / Q000209:etiology / Q000378:metabolism / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D055815:Young Adult
chemical_list: D002097:C-Reactive Protein