title: Incidence and patterns of bone marrow involvement in Ewing's sarcoma.
authors.affiliation: Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Kingdom of Saudi Arabia.
authors.forename: Saeed
authors.initials: S
authors.lastname: Al-Amoudi
authors.forename: Tarek
authors.initials: T
authors.lastname: Owaidah
authors.forename: Fouad
authors.initials: F
authors.lastname: Al-Dayel
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D001707:Biopsy, Needle; D001853:Bone Marrow / Q000473:pathology*; D001859:Bone Neoplasms / Q000453:epidemiology* / Q000473:pathology*; D002648:Child; D015331:Cohort Studies; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D015994:Incidence; D008297:Male; D009361:Neoplasm Invasiveness / Q000473:pathology*; D009367:Neoplasm Staging; D011379:Prognosis; D018570:Risk Assessment; D012494:Sampling Studies; D012512:Sarcoma, Ewing / Q000453:epidemiology* / Q000473:pathology*; D012529:Saudi Arabia / Q000453:epidemiology; D017678:Sex Distribution