07-01-2010, 07:20 PM
A 28 year old African American man presents to the physucian with fever, weigth loss, and abdominal pain. His blood pressure is 168/92 mm Hg, his pulse is 83/min, and his respiratory rate is 18/min. On physical examination, there is palpable purpura on his lower extremities; a fundoscopic examination reveals fluffy, white spots on his retina. His past medical history is significant for a previos hepatitis B infection. Which of the following is the most prominent morphologic feature of the affected arteries in this patient's disease process?
A) Caseating necrosis
B) Eosinophilic infiltrate
C) Fibrinoid necrosis
D) Granulomatous inflammation
E) Langhans's giant cells
F) Onion Skinning
A) Caseating necrosis
B) Eosinophilic infiltrate
C) Fibrinoid necrosis
D) Granulomatous inflammation
E) Langhans's giant cells
F) Onion Skinning