A variety of intracranial tumours exhibit different forms of calcification. Some lesions commonly show calcification while in some tumours, calcification is seen only in few number of cases. In this article these tumours are classified on the basis of frequency of calcification.
Commonly calcified tumours
Parenchymal
- oligodendroglioma: central or peripheral ribbon-like calcification
- desmoplastic infantile astrocytoma and ganglioglioma
- ganglioglioma/gangliocytoma
- cavernous haemangioma
- dysembryoplastic neuroepithelial tumour (DNET): more microscopic calcification
- atypical teratoid/rhabdoid tumour
- pilocytic astrocytoma
- calcifying pseudoneoplasms of the neuraxis (CAPNON) - more commonly extra-axial
Extra-axial
- meningioma
- chondrosarcoma of skull base: rings and arcs pattern
- chordoma
- intracranial dermoid
- intracranial teratoma: clump-like calcification
- adamantinomatous craniopharyngioma: stippled and peripheral craniopharyngioma (calcification is rare in papillary craniopharyngiomas)
- olfactory neuroblastoma
- tubulonodular pericallosal lipoma: peripheral bracket sign calcification
- calcifying pseudoneoplasms of the neuraxis (CAPNON) - can be intra-axial
Pineal region
- pineoblastoma/pineocytoma: exploded calcification
- pineal germinoma
Intraventricular
- central neurocytoma: punctuate calcification
- choroid plexus papilloma: speckled calcification
- ependymoma: coarse calcification
- subependymoma
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