Image Based Question-67325

Identify the sign as shown in the picture below ?

A. Schamroth’s sign.

B. Digital index sign.

C. Phalangeal depth ratio.

D. None of the above.

Show Answer

Correct Answer » A Explanation

The sign shown in the picture above represents Schamroth’s sign.

Schamroth’s sign

• Combines qualities of nail-fold angle and phalangeal depth ratio

• Have patient oppose index fingers so that they’re nail-to-nail, pointing downwards

• Negative/normal: diamond-shaped window (arrowhead) is created

• Positive/abnormal: obliteration of diamond shape