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Fig. 4 | BMC Medical Imaging

Fig. 4

From: Spectral CT - a new supplementary method for preoperative assessment of pathological grades of esophageal squamous cell carcinoma

Fig. 4

Spectral images in venous phase and Photomicrograph (original magnification, ×100) example of poorly moderately differentiated ESCC (female, 64 years old). a VMI40 keV=261.35 HU, b IC = 28.52 mg/ml, c λHU = 5.36, d: WC = 1026.40 mg/ml, e Eff-Z = 9.20, f Photomicrograph (original magnification, ×100). VMI, virtual monoenergetic image; IC, iodine concentration; WC, water concentration; λHU, the slope of the spectral curve; Eff-Z, effective atomic number

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