Image Question-40


What is the diagnosis of Image?


Case courtesy of Mohammadtaghi Niknejad, Radiopaedia.org. From the case rID: 98806

What is the diagnosis of Image?


A. Salt and Pepper appearance

B. Sausage digit appearance

C. Bamboo spine sign

D. Dagger sign



Sausage digits


Common causes of sausage digit are

  1. Psoriatic arthropathy
  2. Osteomyelitis
  3. Sickle cell disease
  4. Sarcoidosis
  5. Tuberculous dactylitis (spina ventosa)
  6. Leukemia
  7. Syphilitic dactylitis
  8. Gout
  9. Ankylosing spondylitis

Dactylitis or sausage digit is inflammation of an entire digit (a finger or toe)


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