Table 1.
Types of parasellar tumours
| Tissue of the origin | Tumour type |
|---|---|
| Embryonic remnants of | Craniopharyngioma* |
| Rathke's pouch* | − Adamantinomatous |
| − Papillary | |
| Notochordal remnants* | Notochordal tumours* |
| − Benign notochordal cell tumour* | |
| − Chordoma* | |
| • Chordoma NOS | |
| • Chondroid chordoma | |
| • Dedifferentiated chordoma | |
| Neural crest remnants* | Paraganglioma* |
| Fibroblastic cell* | Solitary fibrous tumour/haemangiopericytoma* |
| Fibroblast/monocyte/osteoclast* | Giant cell tumour of the bone* |
| Germ cells* | Germinoma* |
| Yolk sac tumour* | |
| Embryonal cell carcinoma* | |
| Choriocarcinoma* | |
| Teratoma* | |
| Mixed germ cell tumour* | |
| Lymphocytic neoplasms* | Diffuse large B-cell lymphoma of the CNS* |
| Histiocytic neoplasms* | Langerhans cell histiocytosis* |
| Disseminated juvenile xanthogranuloma* | |
| Erdheim-Chester disease* | |
| Arachnoidea | Meningioma |
| Grade I | |
| − Meningothelial | |
| − Fibrous | |
| − Transitional | |
| − Other histological types | |
| Grade II | |
| − Atypical | |
| − Chordoid | |
| − Clear cell | |
| Grade III | |
| − Anaplastic | |
| − Rhabdoid | |
| − Papillary | |
| Chondroid tissue | Chondroma |
| Chondrosarcoma | |
| Bone | Osteoma |
| Osteosarcoma | |
| Adipose tissue | Lipoma |
| Liposarcoma | |
| Smooth muscle | Leiomyoma |
| Leiomyosarcoma | |
| Striated muscle | Rhabdomyosarcoma |
| Glia* | Pilocytic astrocytoma* |
| Pilomyxoid astrocytoma* | |
| Chordoid glioma of the third ventricle* | |
| Endothelium | Haemangioma |
| Unknown | Atypical teratoid/rhabdoid tumour |
| Schwann cells | Schwannoma |
| Malignant peripheral nerve sheet tumour | |
*
Selected tumour types covered by the review. NOS, not otherwise specified; CNS, central nervous system.