Anterior fontanelle inclusion cyst

Case contributed by Ammar Haouimi
Diagnosis almost certain


Painless swelling since birth over the anterior fontanelle.

Patient Data

Age: 3 years
Gender: Male

The MRI sequences demonstrate a well-defined midline extra-cranial subgaleal lesion over the anterior fontanelle of low signal on T1WI with an intermediate signal centrally, intermediate signal FLAIR, and high signal on T2WI, suppressed on T1 fat sat with no enhancement seen.  No communication with the underlying intracranial structures. 

Case Discussion

A case of an anterior fontanelle inclusion cyst, which is also called anterior fontanelle dermoid/epidermoid.

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