reactive marrow

reactive marrow

Reactive bone marrow A descriptor for a polyclonal BM response to a local or systemic 'insult', often inflammatory, which may be confined to one cell line, as in reactive granulocytosis, reactive mast cell hyperplasia, reactive thrombocytosis. See Bone marrow.
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It is similar to a study conducted by Jha and Sarda which also shows reactive marrow hyperplasia as the most frequent finding in patients with FUO (44 % of cases).
Bone marrow examination showed marked hemophagocytosis in a reactive marrow with normal megakaryocyte precursors.
Cortical erosions, asymmetric edema on one side of the joint, and extensive marrow involvement suggest osteomyelitis rather than reactive marrow edema (Figure 7).
His bone marrow aspirate was cellular with signs of reactive marrow.

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