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Case of the Week 440




What is the most likely diagnosis?

  • 39 year-old female with pain in foot



AP and Oblique Views of Right Foot

  1. Bunion
  2. Bunionette
  3. Sesamoiditis
  4. Lis-Franc fracture
  5. Fractured 5th metatarsal

Additional Image - None

 

Additional Images

 

 

None

 


Answer:

.


2. Bunionette

.

.

More (Click Discussion Tab)


 

Bunionette

 

General Considerations

  • Painful prominence at 5th metatarsal head laterally
  • Originally described in tailors who sat cross-legged resulting in chronic pain and swelling over lateral aspect of 5th metatarsal head
  • Much more common in females
  • Related to narrow footwear
  • Less common than hallux valgus (bunion)
  • May also be due to congenital structural abnormalities, anomalous ligament insertion, inflammatory arthropathies, previous foot surgery

MORE . . .


.

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