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Liver Lesions with Hypointensity on T2-Weighted Magnetic Resonance Imaging

Liver lesions can contain areas of T2-weighted magnetic resonance imaging (T2WI) hypointensity secondary to hemorrhage or calcification. Other etiologies include fibrosis, desmoplastic stroma, cellular necrosis, mucin, and iron deposition.^1,2 Lesions can be diffusely hypointense (e.g., a siderotic regenerating nodule), have heterogeneous areas of hypointensity (e.g., from hemorrhage), or central hypointensity (e.g., a fibrotic central scar in cholangiocarcinoma).

Liver Lesions with Hypointensity on T2WI^2–7

• Hemorrhagic lesions (see Chapter 73)
  
• Calcified lesions (see Chapter 72
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