Fat containing brain lesions

Intracranial fat is uncommon and a wide range of differentials should be considered.

Neoplastic

• intracranial dermoid cyst

• intracranial teratoma

• intracranial lipoma

  • pericallosal lipoma

  • quadrigeminal cistern lipoma

  • suprasellar cistern lipoma

  • cerebellopontine angle lipoma

  • choroid plexus lipoma

• white epidermoid cyst

• meningiomas

  • lipomatous meningioma ¹

  • xanthomatous meningioma

  • osseous meningioma

• lipomatous transformation of other neoplasms

  • ependymoma

  • glioblastoma

  • pleomorphic xanthoastrocytoma (PXA)

  • metastatic mucinous carcinoma

Non neoplastic

• fatty falx cerebri

• fat in dural sinuses

• intracranial fat migration ²