It looks SO much like Sarcoptic mange (a parasite that lives in follicles and when severe enough, makes all hair fall out and is VERY contagious) !!! The hair-loss, the wrinkly skin, the contagiousness of it all. Here's a dog with mange, see the resemblance?
(the scabs are from the dog itching- it is TERRIBLY uncomfortable
)

(the scabs are from the dog itching- it is TERRIBLY uncomfortable
