A 41-year-old man presents to the physician for a 1-week history of fever, abdominal pain, and generalized muscle pain. Temperature is 101 F. Blood pressure is 160/100. WBCs are 20,000/μL. ANCA studies are negative. ESR is elevated. Pulmonary examination shows no abnormalities. Urinalysis shows 2+ blood and 2+ protein. Muscle biopsy shows arteritis with segmental transmural necrosis. A renal angiogram is shown.
Which of the following is the most likely diagnosis?
Eosinophilic granulomatosis with polyangiitis
Fibromuscular dysplasia
Granulomatosis with polyangiitis
Polyarteritis nodosa
Takayasu arteritis
