What is the sign shown in figure 1?
Answer: Wrist sign
What is the sign shown in figure 2?
Answer: Thumb sign
If a patient has both signs, he/she gets 3 points in the "systems score" - according to the Revised Ghent Criteria for diagnosis of Marfan syndrome.
(Click here for System Score table)
Other links for information about Marfan syndrome:
http://www.ncbi.nlm.nih.gov/books/NBK1335/#marfan.Diagnosis
http://www.marfan.org/marfan/4265/Diagnostic-Criteria
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