A case of bullous frostbite following recreational snowmobiling

Frostbite is the occurrence of localized tissue freezing and injury. It res ults following cold exposure of sufficient magnitude or duration to cause a cute tissue damage. Although there are several conditions that predispose t o frostbite, all are at risk if subject to sufficient cold exposure. We dis cuss a case of frostbite presenting with bullae localized to the neck resul ting from extreme cold encountered while snow-mobiling at night in Minnesot a, an entity known by some local practitioners as "polaris vulgaris."