Which finding is associated with deep localized cold injury?

The finding associated with deep localized cold injury is characterized by the area feeling frozen and solid. This condition, often referred to as frostbite, indicates that the injury has progressed beyond superficial layers of the skin and has affected deeper tissues. When the tissue is frozen, it becomes hard and firm, resembling a frozen structure, which is a direct parallel to what occurs when cells become ice-crystalized due to prolonged exposure to cold temperatures.

This solid feel is a critical indicator of the severity of the injury. In contrast, other findings describe conditions related to less severe cold injuries or superficial forms of frostbite, where there may be different sensations or tissue characteristics. For instance, blanching and color returning upon palpation typically indicate a more superficial issue, while the presence of soft but cold skin suggests potential freezing has not yet occurred. A mild tingling sensation upon rewarming may also indicate an injury but is associated with more mild forms of cold exposure rather than the solid feeling indicative of deep localized cold injury.