A 34-year-old male with a 20 pack-year smoking history presents with severe pain in his fingers and toes. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 16, temp 37.2°C, SpO2 98% on room air. Examination reveals distal digital ulcerations, tender superficial nodules along a forearm vein, and normal cardiac auscultation. Laboratory studies show elevated inflammatory markers with CRP 8.2 mg/dL. Which of the following is the most likely diagnosis?

  1. A)Thromboangiitis obliteransGABARITO
  2. B)Aortic dissection
  3. C)Abdominal aortic aneurysm
  4. D)Syphilitic thoracic aortic aneurysm
  5. E)Peripheral arterial disease

Explicação

Thromboangiitis obliterans is correct. A young heavy smoker with distal ischemia, digital ulceration, and superficial thrombophlebitis has Buerger disease, an inflammatory thrombosing disorder of small and medium vessels. Smoking cessation is the key intervent... Ver explicação completa e trilha adaptativa →

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