Table 4

Tumor characteristics of pediatric patients with NF1 (n=30).

Type of tumorAge (years)Age at diagnoses (years)Locations
Cutaneous neurofibromas (n=4)
Female1810Right foot
Male31Trunk, buttock
Male81Right arm
Female135Back
Schwannoma (n=2)
Female1410Cervical (C1- C7)
Male81Brain
Hamartoma (n=4)
Female1813Brain
Male132Brain
Female13Brain
Male8Not documentedBrain
Pilocytic astrocytoma (n=1)
Female158Brain (posterior fossa)
Brainstem Glioma (n=1)
Female1313Brain (brainstem)
Low-grade astrocytoma (n=1)
Male17Not documentedBrain (frontal lobe)
Optic Pathway Glioma (n=17)
Male11Bilateral (n= 9)
Female6Unilateral (n=8)