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Fig. 3 | BMC Medical Imaging

Fig. 3

From: Diagnostic efficacy of multiple MRI parameters in differentiating benign vs. malignant thyroid nodules

Fig. 3

A 44-year-old woman with thyroid papillary carcinoma in the right thyroid lobe. a Axial T1-weighted image showing an isointense lesion (white arrow) in the right thyroid lobe. b Axial T2-weighted image showing a heterogeneous hyperintense lesion with extrathyroidal extension (white arrow) in the right thyroid lobe. c Axial DWI image showing a hyperintense nodule (white arrow) with ADC value of 1.070 × 10− 3 mm2/s. d Axial contrast-enhanced image showing a moderately enhanced mass-like lesion with irregular shape and extrathyroidal extension (white arrow) in the right thyroid lobe during the early phase. e Axial contrast-enhanced image showing central wash-out of the lesion, with the ring sign and irregular shape (white arrow) in the right thyroid lobe during the delayed phase. f Histopathological hematoxylin and eosin (H&E, × 40) staining showing papillary growth of cancer cells (white arrow) and dense fibrous tissue (black arrow)

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