Sentence 1: In malignant hypertension , these hyperplastic changes are often accompanied by arterial necrosis of the fibrinoid intima and media .
Sentence 2: In malignant hypertension , these hyperplastic changes are often accompanied by a fibrinoid necrosis of arterial intima and media .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?