Table 1.

Basic characteristics of 20 keloid patients.

Characteristic	Number of lesion site (n = 20)
Age (y)
Range	25– 58
Mean	31.5
Sex
Male	4
Female	16
Site of lesions
Ear lobe	20
Causative factors
Piercing	16
Trauma	3
Surgical scar	1
Family history
Positive	12
Maternal hereditary tendency	10
Paternal hereditary tendency	2
Negative	8