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Case of the Week 341




What's the most likely diagnosis?

  • 70 year-old female with headaches



  1. Paget disease
  2. Fibrous dysplasia
  3. Parietal thinning
  4. Sickle cell anemia
  5. Multiple myeloma

Additional Image - Lateral radiograph of the skull

 

Additional Image

 

Lateral radiograph of the skull

 


Answer:

 


3. Parietal thinning

 

 

More (Click Discussion Tab)


Parietal Thinning

General Considerations

  • Variant seen in parietal bones in which there is thinning of the bones bilaterally
  • About 0.4% of normal skulls
  • More common in women
  • Mean age 72
  • Can be progressive
  • May be familial
  • No emissary vein is transmitted
  • Some consider it developmental, some secondary to osteoporosis and others a dysplasia
  • Stress produced by chewing has been implicated

 

More ...


 

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70 year-old female with headaches
 
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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.