Which physical findings are characteristic of erythema annulare centrifugum (EAC)?

Updated: Mar 06, 2020
  • Author: Dirk M Elston, MD; Chief Editor: William D James, MD  more...
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Other findings are as follows:

  • Nails: White banding of the toenails has been reported in association with EAC.
  • Lymph nodes: Lymphadenopathy may be present in cases of EAC associated with Hodgkin or non-Hodgkin lymphoma, tuberculosis, or autoimmune processes.
  • Neck: The thyroid should be palpated for enlargement or nodules because Graves disease has been associated with EAC. [6]
  • Lungs: Tuberculosis, [37] lymphoma, sarcoidosis, and malignant bronchial carcinoid have been associated with EAC, warranting examination of the lungs.
  • Abdomen: Appendicitis, [8] lymphoma (with associated splenomegaly), and liver disease [5] (eg, cholelithiasis, hepatitis), and pregnancy have been reported with EAC. The abdomen should be examined for tenderness, masses, or hepatosplenomegaly.

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