Reticulum and gangrene

"Reticulated plaque" is a skin spasm disease, which is a skin manifestation of some diseases. Some normal people also have reticular plaques in cold environments. Gangrene is a black, dark green and other special morphological changes caused by secondary spoilage bacteria infection and other factors after tissue necrosis. Both appear at the same time and can be seen in the skin lesions of nodular polyarteritis. Nodular polyarteritis, also known as nodular periarteritis, necrotizing arteritis, polyarteritis, etc., is a fatal disease. The clinical course of the disease develops rapidly, and the range of the disease is wide. It usually involves the whole system of the arterial system. The clinical manifestations are complex and changeable.