TABLE 1.

Types of NCC^a

Location	Stage	Perilesional inflammation/edema
Parenchymal (single or multiple)	Viable	Variable
	Degenerating	Usually present and marked
	Calcified	May be present (associated with symptoms)
Extraparenchymal, intraventricular	Viable or in degeneration, rarely calcified	No
Extraparenchymal, subarachnoid	Viable or in degeneration, rarely calcified	Arachnoiditis or pachymeningitis, occasionally without a defined parasitic lesion

^aLess frequent locations include spinal (277), retinal (278), intrasellar (279), and subdural (280), among others.