Table 3:

Summary of apparent diffusion coefficient (ADC) values obtained in 3 studies that evaluated pilocytic astrocytoma (PA), ependymoma, medulloblastoma, and atypical teratoid rhabdoid tumor (AT/RT)

Range of tumor ADC values (×10−3 mm2/s)Gauvain et al 20018Yamsaki et al 200515*Present Study
PA1.13–1.541.30–1.921.24–2.09
Ependymoma01.05–1.330.97–1.29
Medulloblastoma0.54–0.580.68–0.990.48–0.93
AT/RT0.60§00.55–0.63
  • * Data for all age groups.

  • Data for all intracranial tumors, infratentorial and supratentorial.

  • Data for all intracranial primitive neuroectodermal tumors, including medulloblastoma.

  • § Data for a supratentorial tumor.