Table 3 CT in children with cerebral palsy (CP)

a. Overall yield of finding an abnormal CT scan in children with CP
ReferenceClassNAges, yType of CP% Abnormal
* Etiologies could not be determined in all patients in the studies listed in section a and in some patients more than one category of etiology was given. Data from the studies listed in section a.
H = hemiplegic; A = ataxic; M = mixed.
Wiklund et al., 19916I835–16H73
Wiklund et al., 19917I285–16H75
Miller and Cala, 19898I296–35A62
Chen, 19819III2810.08–7M84
Kolawole et al., 198910III1201–>10M73
Taudorf et al., 198411III83NAM67
Schouman-Claeys et al., 198912III760.6–15M63
Cohen and Duffner, 198113III520.67–>10H87
Molteni et al., 198714III305–16H93
Total no. of patients782
Mean abnormal CT77
b. Percent of patients with an abnormal CT scan based on the type of CP (n = 485)
Hemiplegic (n = 146)89Quadriplegic (n = 111)70
Ataxic (n = 19)88Hypotonic (n = 19)73
Mixed (n = 29)79Dyskinetic (n = 14)36
Diplegic (n = 153)75
c. Classification of timing of injury of CP based on CT scan abnormalities (n = 626)*
ReferenceClassNType of CP% Prenatal% Perinatal% Postnatal% Unclassifiable
Wiklund et al., 19916I83H4439017
Wiklund et al., 19917I28H648207
Chen, 19819III282M3354130
Kolawole et al., 198910III120M16352628
Taudorf et al., 198411III83M1174150
Molteni et al., 198714III30H534700
Total626
Mean values3250126
d. Percent of patients with other etiologies of CP based on CT and clinical data (n = 702)*
Metabolic4Brain malformation7
Genetic2Treatable condition5