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Updated: Apr 27, 2026
Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement
Published on: July 29, 2013
Imaging criteria for assessing tumour response: RECIST, mRECIST, Cheson
L Fournier1, S Ammari2, R Thiam1
1Paris Descartes Sorbonne Paris Cité University, Radiology, AP-HP Georges Pompidou European Hospital, 20, rue Leblanc, 75015 Paris, France; Paris Descartes Sorbonne Paris Cité University, Inserm UMR-S970, 12, rue de l'École de médecine, 75006 Paris, France.
Abstract:
Most methods define a limited number of "target" lesions to be measured and other "non-target" lesions to be evaluated qualitatively. RECIST criteria are the most widely used although other criteria have been proposed that are derived from them based on size alone, or size and attenuation. Modified RECIST (mRECIST) criteria only concern hepatocellular carcinoma and only take into account the viable portion (enhanced after injection during the arterial phase). Cheson criteria are more complex as target lesions are defined differently depending on the organ (lymph nodes, liver or spleen, other organs), and involve both CT and PET scans, as well as the clinical examination and bone marrow biopsy.
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