When is bone marrow exam indicated in children with suspected immune thrombocytopenia (ITP)?

Updated: Jan 11, 2020
  • Author: Craig M Kessler, MD, MACP; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Bone marrow examination is indicated in children with atypical hematologic findings, such as immature cells on the peripheral smear or persistent neutropenia. [5] Many children with acute ITP have an increased number of normal or atypical lymphocytes on the peripheral smear, reflecting a recent viral illness. Unresponsiveness to standard treatment after 6 months is an indication for bone marrow aspiration.

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