Long standing swelling medial to left eye. CT scan outside reported as "orbital dermoid".
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Axial images demonstrate a cystic lesion medial to the globe. Coronal images demonstrate continuity of the cyst with the intracranial compartment and containing herniated frontal lobe tissue.
Encephalocoeles are uncommon, but are an important lesion to consider. Imagine the results of deciding to excise this 'dermoid' without appreciating the actual pathology.