- Lymphomas
- CNS lymphomas
- Primary diffuse large B-cell lymphoma of the CNS
- Immunodeficiency-associated CNS lymphoma
- Lymphomatoid granulomatosis
- Intravascular large B-cell lymphoma
- Miscellaneous rare lymphomas in the CNS
- MALT lymphoma of the dura
- Other low-grade B-cell lymphomas of the CNS
- Anaplastic large cell lymphoma (ALK+/ALK−)
- T-cell and NK/T-cell lymphomas
- Histiocytic tumour
- Erdheim-Chester disease
- Rosai-Dorfman disease
- Juvenile xanthogranuloma
- Langerhans cell histiocytosis
- Histiocytic sarcoma