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A 40-year-old woman with pulmonary hamartoma. (A) CT image shows low-attenuation spot (arrow) within nodule, suggesting lipoid tissue; (B,C) axial T1-weighted (B) and T2-weighted (C) MR images show hyperintense spots (arrows) within nodule. T2-weighted image (C) also shows hyper-intense matrix consistent with cartilaginous tissue [Reproduced with permission from reference (21)].
