Symptom Information: Sort according to HPO 

1
(HPO:0007456) Progressive reticulate hyperpigmentation 2 / 7739
2
(OMIM) Hyperkeratotic dark-brown papules 1 / 7739
3
(OMIM) Pitted, perioral acneiform scars 1 / 7739
4
(OMIM) Filiform epithelial downgrowth of epidermal rete ridges 1 / 7739
5
(OMIM) Acantholytic changes (in some patients) 1 / 7739