Café au lait patches are numbered with each assessment of infants and young children because:
a. the numbers are expected to increase each year.
b. coalescent lesions are a more serious finding.
c. the presence of more than five patches suggests neurofibromatosis.
d. decreasing numbers are expected with growth.
C
The presence of more than five patches with diameters larger than 1 cm in children younger than 5 years of age suggests neurofibromatosis. Fewer than five patches is usually considered harmless. The numbers of café au lait patches are not expected to increase each year. Coalescent lesions are not a more serious finding. Decreasing numbers are not expected with growth.
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