"Depending on the aetiology, the folds may be symmetric (seen more in primary disease) or asymmetric (seen more in secondary disease) 2-4. Furthermore, some patients with primary disease may additionally demonstrate a wide array of neuropsychiatric (e.g. epilepsy, cerebral palsy) or ophthalmologic anomalies (e.g. retinitis pigmentosa, cataracts) 2-4."
"scalp dermatologic conditions (e.g. benign or malignant tumours, naevi, inflammatory dermatoses, trauma, etc.)"
"malignancy (e.g. leukaemia)"
"various aneuploidies (e.g. Turner syndrome, Klinefelter syndrome, etc.)"