Raynaud phenomenon

pathology

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blood vessel disorder

  • skin rash caused by Lyme disease
    In skin disease: Blood vessels

    In Raynaud’s phenomenon, the vascular spasm is severe, affecting the extremities and leading to attacks of cold, white fingers. Milder degrees of spasm, as well as increases in blood viscosity, may cause a purple discoloration of the skin (cyanosis), which may assume a reticulate pattern (livedo…

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hepatitis C

scleroderma

  • In scleroderma

    …to cold, a manifestation called Raynaud phenomenon that is caused by abnormal blood flow. As the disease progresses, the facial skin often tightens into a shiny mask. Swelling may occur, along with skin discoloration, numbness, and a tingling feeling. The course of the disease is variable and unpredictable. Sometimes years…

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