What are the physical findings of Raynaud phenomenon in CREST syndrome?

Updated: Oct 05, 2020
  • Author: Jeanie C Yoon, MD; Chief Editor: Dirk M Elston, MD  more...
  • Print
Answer

Triphasic color changes of pallor, cyanosis, and erythema represent phases of vasoconstriction, slow blood flow, and reperfusion, respectively.

Color changes extend proximally from the tips of digits to various levels, with a well-demarcated border.

Raynaud phenomenon showing pallor of most of the f Raynaud phenomenon showing pallor of most of the finger tips with a violaceous discoloration (hyperemia) of the thumb tip.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!