Yes, it is not a well known condition but I don't think it is life threatening or anything. There is lots of info on line about it.
If she is healthy otherwise, I would not worry about it too much.
You might add some salmon oil to her food, it's good stuff for their immune system and for their coats too.
Here is the best place to buy it at $27.95 a gallon for Wild Alaskan Salmon Oil --
http://dakotalinenares.myshopify.com...kan-salmon-oil