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. Author manuscript; available in PMC: 2013 Apr 21.
Published in final edited form as: Phys Med Biol. 2012 Mar 30;57(8):2273–2286. doi: 10.1088/0031-9155/57/8/2273

Figure 3.

Figure 3

Viscoelastic properties of hepatocellular carcinomas (HCCs) and surrounding background tissue (n = 4). Storage modulus (a) for HCCs and background tissue increased with increasing precompression. The background tissue was highly variable because of different fibrosis grades. Underlying tissue contrast (b) remained relatively constant with compression, but decreased with increasing fibrosis grade (F0, n = 2; F2, n = 1; F4, n = 1). Tan(δ) (c) and tan(δ) tumour-to-background contrast (d) remained relatively constant with increasing compression.