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Case of the Week 419




What is the most likely diagnosis?

  • 81 year-old female with chronic back pain



Scout Image from CT Scan of Chest

  1. Aortic aneurysm
  2. Multiple sutures
  3. Acupuncture needles
  4. Shrapnel
  5. Tattoo

Additional Images - CT scan of chest

 

 

Additional Images

 

CT scan of chest (window optimized for finding)


Answer:

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3. Acupuncture needles

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More (Click Discussion Tab)


Acupuncture Needles

General Considerations

  • Performed widely in US, especially amongst Chinese, Korean and Japanese Clinical Findings
  • Needles that are about 1 mm in diameter and 1-1.5 cm long
  • They are inserted for 15 minutes or so and usually removed
  • May be inserted with a spring-loaded syringe
  • Japanese form is called Hari and involves permanent placement of needles about 3 cm deep into subcutaneous tissues and of breaking needle off at skin

MORE...


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This Week
81 year-old female with chronic back pain
 
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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
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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.