Revision 1 for 'Pituitary lymphoma'
Pituitary lymphoma is very rare, although lymphomatous (or leukaemic) infiltration of the perisellar dura is not infrequently encountered as part of more widespread CNS disease.
As is the case with CNS lymphoma elsewhere, pituitary lymphomas can either be primary (no systemic disease) or secondary (involvement of the pituitary gland is part of systemic disease).
Primary pituitary lymphoma (i.e. parenchymal disease limited to the pituitary gland rather than dural involvement, or extension of cerebral primary CNS lymphoma to the region) is very rare, accounting for less than 0.1% of pituitary tumours 1.