Costal Cartilage Injury Using MRI: A Case Report

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  • Akatsuka Yoshihiro
    Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
  • Nakanishi Mitsuhiro
    Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
  • Uemura Miho
    Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
  • Imamura Rui
    Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
  • Hayakawa Kohei
    Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital

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  • 胸骨骨折否定目的で行ったMRIで肋軟骨損傷と診断された1例
  • キョウコツ コッセツ ヒテイ モクテキ デ イッタ MRI デ ロク ナンコツ ソンショウ ト シンダン サレタ 1レイ

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Abstract

<p>A magnetic resonance imaging (MRI) scan was performed to rule out a sternal fracture in a woman in 30s. Short tau inversion recovery (STIR) coronal showed no signal change in the sternum but increased signal from the mediastinum to the anterior thoracic region. We could not detect significant findings until midway through the examination. T2-weighted fat-suppressed images revealed a suspected left first costal cartilage injury at the end of the examination. In addition, three-dimensional gradient-recalled echo (3D GRE) T1-weighted fat-suppressed images clearly revealed a lesion area with a high signal intensity in the costal cartilage and a low signal intensity in the surrounding tissue, and we diagnosed costal cartilage injury definitely. In case of MRI for posttraumatic chest pain, T1-weighted fat-suppressed images with 3D GRE may be useful for the detection of lesion area.</p>

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