A case is described of gangrene of the foot and lower leg due to cold injury following exposure to liquid nitrogen. The severe damage to the entire microcirculation was followed by irreversible ischemia finally requiring amputation of the lower leg. Histology revealed conspicuous lesions of the small vessels within the entire soft tissues, with subsequent thrombotic occlusion and circulatory blockade. Some recommendations concerning occupational exposure to liquid nitrogen are added.
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