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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Quantitative evaluation of range and metabolic activity of hepatic alveolar echinococcosis lesion microenvironment using PET/CT and multi-site sampling method

Fig. 1

Semi-quantification of periphery calcification (white dots in gray background) and central liquefaction (wavy lines in black circle) of lesions ( with dashed lines). a Calcification at lesion periphery was quantified mainly based on proportion of calcified area at periphery of the lesion and graded into three degrees [0%(−), < 50%(+) and ≥ 50%(++), respectively similar to non-calcification, micro calcification and macro calcifications]; b liquefaction at lesion center was quantified mainly based on proportion of liquefied area at center of the lesion and graded into four degrees [0%(−), < 50%(+), 50 ~ 75%(++) and ≥ 75%(++), respectively denoted as non-liquefaction, minor liquefaction and major liquefactions] according to liquefaction-to-lesion volumetric ratio

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