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Table 1 Age at onset for the different pigmentation types in 650 patients with a classified phenotype

From: Pigmentary mosaicism: a review of original literature and recommendations for future handling

 

Hyperpigmentation

Hypopigmentation

Hyper- and hypopigmentation

At birth

51

106

17

Within 6 weeks

12

12

1

6 weeks – 1 year

34

42

7

1 year – 2 years

9

46

2

After the age of 2 years

15

18

5

NA

157

100

16

Total

278

324

48