Carotid lesions detected by B-mode ultrasonography in Takayasu’s arteritis: ’macaroni sign’ as an indicator of the disease - Maeda, H; Handa, N; Matsumoto, M; Hougaku, H; Ogawa, S; Oku, N; Itoh, T; Moriwaki, H; Yoneda, S; Kimura, K; Kamada, T (Ultrasound Med Biol, 1991)