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European Radiology Experimental
Fig. 2 | European Radiology Experimental

Fig. 2

From: Oxygen-enhanced MRI assessment of tumour hypoxia in head and neck cancer is feasible and well tolerated in the clinical setting

Fig. 2

a Notched box plots of oxygen-induced ΔT1 (%) times for all 25 participants for the parotid, submandibular, and thyroid glands and for the 15 patients with head and neck squamous cell carcinoma for the primary tumour and malignant nodal masses. The single outlier point showing positive ΔT1 in the thyroid gland came from a nonpatient volunteer. b Notched box plots with overlaid data points of estimates of hypoxic fractions (%) for malignant tissues. Data points corresponding to primary tumours with evidence of residual disease post-radiotherapy treatment are surrounded by a black box

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