[Bone marrow biopsis. diagnosis and prognosis interest]

From June 1980 to December 1982, 795 bone marrow biopsis were done in the CHU [hematology]. Ibn Rochd Casablanca. 477 bone marrow were analysed. Theses bone marrow biopsy were done as part of the check up balance sheet of extension Hodgkin and non Hodgkin lymphomas, myeloproliferatives syndrome, sepsis tuberculosis, medullary aplasia and looking for bone metastasis. In the end, in hematology diseases, in particular when many attempt's myelogram were infructful. This study of 477 bone marrow biopsis had 32% positive