Which findings on complete blood count (CBC) suggest infectious flexor tenosynovitis?

Updated: Aug 27, 2018
  • Author: Mark R Foster, MD, PhD, FACS; Chief Editor: Harris Gellman, MD  more...
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Answer

A complete blood count (CBC) with differential is appropriate if an infectious etiology is suspected. Characteristics include the following:

  • The white blood cell (WBC) count may be elevated in the presence of proximal infection or systemic involvement
  • It is not elevated in nonsuppurative conditions and often is not elevated in immunocompromised patients
  • A left shift is frequently present in acute processes

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