Table 1

Sensitivity of abnormal homovanillic acid (HVA) or vanillylmandelic acid (VMA) results in relation to the International Neuroblastoma Staging System stage of neuroblastoma8 12 13 15

Stage of diseaseSensitivity of abnormal HVA and/or VMA
178–85%
2–380–100%
492–100%
4S100%