Due to the MRI examination, lumbar myeloma or metastatic tumor was suspected, and the result of lumbar bone marrow biopsy: there is hematopoietic tissue between the trabecular bone, and the submitted material is unidentified.

Hello, judging from what you said, the first magnetic resonance imaging suspects a tumor, but the result seen during the puncture is normal hematopoietic tissue.

That is, the needle did not see tumor cells, but this does not rule out the possibility of a bone tumor. MRI sees morphological changes, so there is a certain possibility. But doing a bone marrow biopsy is based on the condition of the bone marrow, and there is no necessary connection between the two.

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