What are the most common locations for lymphadenopathy in cat scratch disease (CSD)?

Updated: Feb 16, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

The upper extremities are the most common location (46% axillary and epitrochlear nodes), followed by the neck and jaw region (26% cervical and submandibular nodes), the groin (17.5% femoral and inguinal), preauricular region (7%), and clavicular region (2%). In 10-20% of cases, more than one region is affected. Node size is typically 1-5 cm but may enlarge to 8-10 cm, or occasionally larger. Lymphadenitis resolves over 2-4 months, rarely persisting longer than a year.


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