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Case of the Week 501



What is the most likely diagnosis?

  • 18 month-old with limp



Frontal Radiograph of Both Knees

  1. Scurvy
  2. Lead poisoning
  3. Rickets
  4. Child abuse
  5. Metastatic neuroblastoma

Additional Image-None

 

Additional Images

 

 

None


Answer:

 

3. Rickets

 

More (Click Discussion Tab)

 

 

Rickets

General Considerations

  • Osteomalacia during enchondral bone growth
  • Age
    • 4-18 months
  • Histology
    • Zone of preparatory calcification does not form resulting in build-up of maturing cartilage cells
    • Also occurs in shafts so that osteoid production elevates periosteum
     

MORE . . .

 


.

This Week
18 month-old with limp
 
Presented as a series of cards, this podcast asks some of the most common causes of neuroimaging findings and diseases making it ideal for a quick review. Can be used as either an audio only or audio/video podcast.; Complements Video Flashcard Podcasts 15, 21,25, 38, 42, 46 and 47.
 
 
Some of the fundamentals of interpreting chest images
 
The top diagnostic imaging diagnoses that all medical students should recognize according to the Alliance of Medical Student Educators in Radiology
 
Recognizing normal and  key abnormal intestinal gas patterns, free air and abdominal calcifications
 
Recognizing the parameters that define a good chest x-ray; avoiding common pitfalls
 
How to recognize the most common arthritides


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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.