Limbic Encephalitis following Allogeneic Hematopoietic Stem Cell Transplantation

Table 2

Neurological complication seen after allogeneic hematopoietic stem cell transplantation.

Classified neurological complications based on etiology	Drug-related
	Metabolic
	Infectious
	Cerebrovascular
	Immune/inflammatory
	CNS relapse of underlying disease
	Secondary CNS malignancy
	Undefined
Classified central nervous system neurological complications based on clinical disease	Focal epileptic seizure or general epileptic seizure
	Cranial neuropathy
	PRES
	Encephalopathy
	PML
	Meningoencephalitis or encephalitis
	Meningitis (leukemic, infectious), cerebritis, or ventriculitis
	Autoimmune encephalitis
	PALE
	ADEM
	LETM
	Optic neuritis
	Short myelitis
	Subarachnoid hemorrhage
	TA-TMA
	TIA
	NHL relapse
	CNS-PTLD
	Cognitive impairment

PRES, posterior reversible encephalopathy syndrome, PALE, post-transplant acute limbic encephalitis, PML, progressive multifocal leukoencephalopathy, TA-TMA, transplant-associated thrombotic microangiopathy, TIA, transient ischemic attack, ADEM, acute disseminated encephalomyelitis, LETM, longitudinal extensive transverse myelitis, CNS-PTLD, central nervous system EBV-related post-transplant lymphoproliferative disorder, and NHL, non-Hodgkin lymphoma.