Cardiac
GI
Bone
GU
Neuro
Faculty
Student
Quizzes
Image DDX
Misc

 

"Nodules - But Where?

 

 

Case of the Week 256



What's the most likely diagnosis?

  • 40 year-old from Africa with pain in little toe

  1. Fracture of 5th toe
  2. Osteomyelitis
  3. Ainhum
  4. Ewing's sarcoma
  5. Metastatic renal cell carcinoma


Answer:

 


3. Ainhum

 

 

More (Click Discussion Tab)


Ainhum

General considerations

  • Rare disorder in the US but relatively common amongst black Africans
  • Autoamputation (dactylolysis) of a digit, usually the fifth toe
  • Frequently bilateral (60%)
  • Caused by a constricting fibrous band or groove
  • Affects predominantly black males in tropical areas
    • Has a familial association
    • May be associated with running barefoot
  • Rare before the age of 30 or after 50

 

More ...




Available now as a textbook!

  • Just the knowledge you need to know
  • For clinical rotations, USMLEs, radiologic technology
  • Bonus access to StudentConsult.com for more interactive quizzes, anatomy exercises, full text






LearningRadiology.com is an award-winning educational site aimed primarily at medical students and radiology residents-in-training, containing  lectures, handouts, images, Cases of the Week, archives of case quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, cardiac, and bone radiology.