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Case of the Week 496



What is the most likely diagnosis?

  • 3 month-old with swallowing difficulties



Lateral Radiograph of Skull

  1. Normal Convolutional Markings
  2. Sarcoid
  3. Neuroblastoma
  4. Lacunar Skull
  5. Fibrous Dysplasia

Additional Images - None

 

Additional Images

 

 

None


Answer:

 

4. Lacunar Skull

 

More (Click Discussion Tab)

 

 

Lacunar Skull

General Considerations

  • Bone dysplasia consisting of multiple oval lucencies separated by dense, bony ridges
  • Associated with
    • Neural tube defects, especially myelomeningocele
    • Chiari II malformation
    • Encephalocele
  • Not related to degree of concomitant hydrocephalus
  • Inner table more affected than outer

 

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.