Sausage digit is seen in?
A. Rheumatoid arthritis
B. Juvenile idiopathic arthritis
C. Enteropathic arthritis
D. Psoriatic arthritis
Correct answer : D. Psoriatic arthritis
Asymmetrical inflammatory oligoarthritis in seen in psoriatic arthritis.
It occurs mostly in hands and feet.
Synovitis of the finger or toe along with tenosynovitis, enthesitis and inflammation of the intervening tissue causes sausage digits.
Ref: Davidson’s Principles and Practice of Medicine, 22nd edition, p1108
Image credits: James Heilman, MD. Licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. https://en.wikipedia.org/wiki/File:Psoriatic_arthritis2010.JPG