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Case of the Week 609 
What is the most likely diagnosis?
- 42 year-old with lump on head
Axial CT Scans of Head - Bone Window
- Multiple Myeloma
- Osteoma
- Fibrous Dysplasia
- Cephalohematoma
- Dermoid Cyst of Skull
Additional Image - Scout Image of Skull from CT Scan of Head
Additional Images
Scout Image of Skull from CT Scan of Head
Answer:
5.Dermoid Cyst of Skull
More (Click Discussion Tab)
Dermoid Cyst of the Skull
General Considerations
- Benign, slow-growing tumors of the skull (“cyst” and “tumor” are used interchangeably)
- Believed to occur secondary to aberrant epidermal or dermal inclusion in the calvarium
- Although rare, it is still , along with Langerhans cell histiocytosis, one of the more common lesions in the pediatric skull
MORE . . .
.
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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. |
