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Fig. 4 | Cancer Imaging

Fig. 4

From: Development and validation of a nomogram model based on pretreatment ultrasound and contrast-enhanced ultrasound to predict the efficacy of neoadjuvant chemotherapy in patients with borderline resectable or locally advanced pancreatic cancer

Fig. 4

A US and CEUS of a 63-year-old man with a 4.1 cm hypoechoic solid lesion in the head of the pancreas. a The lesion was taller-than-wide in the longitudinal plane. b The TTP was 32 s and the Peaktumor/Peaknormal was 0.306 (in the transverse plane). c The lesion in the venous phase(in the transverse plane). d A total of 22 points were assigned to the lesion according to the nomogram, corresponding to an about 7% probability of “responders”. After 6 cycles of NAC, a radiographic response of PD (metastasis to paracolic lymph nodes) achieved. B The pre-treatment (a) and post-treatment (b, c, d) CT images of the case. The tumor was larger (b, c) and there was suspected paracolic lymph node metastasis (d) after 6 cycles of NAC.CA 19–9 decreased from 177.2 to 76.7U/mL

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Cancer Imaging

ISSN: 1470-7330

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