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Clinical presentation of HIV occlusive disease: gangrene of the fifth digit (A, arrow); left forefoot (B); and entire foot (C). Duplex image of the superficial femoral artery (D), demonstrating a ‘string of beads’ pattern (arrowheads). Angiogram demonstrating left femoro-popliteal disease with occlusion (E, bracket), poor distal run-off (F, arrow), and abundant collaterals (F, *).
