Which physical findings are characteristic of autoimmune lymphoproliferative syndrome (ALPS)?

Updated: Jul 29, 2019
  • Author: Akaluck Thatayatikom, MD, RhMSUS; Chief Editor: Harumi Jyonouchi, MD  more...
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The lymphadenopathy and hepatosplenomegaly seen in patients with ALPS can often be remarkable, sometimes visibly distorting anatomic landmarks (see the image below). These findings can wax and wane.

Examples of an autoimmune lymphoproliferative synd Examples of an autoimmune lymphoproliferative syndrome (ALPS) in a patient with grade IV (visible) lymphadenopathy.

Areas most commonly affected by lymphadenopathy include the neck and axillary regions, but careful assessment of epitrochlear, femoral, inguinal, and other lymph node chains is essential in the assessment. Petechiae, pallor, icterus, and evidence of infections may be found in patients with characteristic cytopenias. Ongoing surveillance in these patients should include careful attention to the development of changes in lymph node size or the appearance of new focal or generalized lymphadenopathy and worsening splenomegaly.

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