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Case of the Week 451



What is the most likely diagnosis?

  • 34 year-old female with foot pain and swelling



Frontal Views of Both Feet

  1. Pachydermoperiostitis
  2. Stress Fracture
  3. Osteomyelitis
  4. Psoriasis
  5. Thyroid Acropachy

Additional Image - Radionuclide Thyroid Scan Showing Uptake

 

Additional Images

 

Radionuclide Thyroid Scan Showing Uptake


Answer:

.


5. Thyroid Acropachy

.

.

More (Click Discussion Tab)

 

 

Thyroid Acropachy

 

General Considerations

  • One of the extra-thyroidal manifestations of autoimmune thyroid disease
  • Occurs in about 1% of patients with Grave’s Disease
  • Almost always associated with ophthalmopathy
  • May be associated with thyroid dermopathy (myxedema)
  • Chronology of findings is usually thyroid dysfunction, ophthalmopathy, dermopathy and then acropachy
  • Most patients are also smokers

MORE . . .

 


.

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34 year-old female with foot pain and swelling
 
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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.