<unk>  is a cutaneous disorder of hyperpigmentation characterized by reticulated pigmentation of the person's skin. A rare genodermatosis, its key features include "rosacea-like facial eruption, reticulated hyperpigmentation of major flexures, comedones on the back and neck, and pitted facial scars."
Haber syndrome
Temple–Baraitser syndrome
Nance–Horan syndrome
Frey's syndrome
Larsen syndrome
Roemheld syndrome
McGillivray syndrome
Bart–Pumphrey syndrome