What makes lower leg limb turn black and shiny?

Answer 1

AnswerDiabetes Mellitus is a major risk factor for Peripheral Arterial Disease. A leg turning black and cold may be a sign of severe arterial insufficiency resulting on gangrene. Also, another condition called Venous Insufficiency may cause the leg to turn dark red or bluish when the person is in a sitting or standing position. AnswerGangrene.

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AnswerIt's gangrene, death and decay of the body parts due to lack of blood vessels or improper blood supply. This is caused due to diabetes mellitus and raynaud's disease (it's a condition where arteries of the fingers are unduly reactive and enter spasm) major types of gangrene: 1) dry gangrene: it is death and withering of tissue caused simply by a cessation of local blood circulation 2) moist gangrene : it is death and putrefactive decay of tissue caused by bacterial infection.