A case of giant thymolipoma in juvenile

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  • Araki Kentaro
    Department of General Thoracic Surgery, Shinmatsudo Central General Hospital
  • Ito Yoshitaka
    Department of General Thoracic Surgery, Shinmatsudo Central General Hospital
  • Tsushima Yukio
    Department of General Thoracic Surgery, Shinmatsudo Central General Hospital

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  • 若年者に発生した巨大胸腺脂肪腫の1例

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Abstract

<p>A 19-year-old male visited a nearby hospital because he had difficulty breathing, and a chest radiograph revealed a mediastinal mass. He was referred to our hospital for further examination and treatment. Contrast-enhanced chest computed tomography revealed a giant mass located in the anterior mediastinum and excluding the right atrium. MRI identified a high signal intensity mass in both T1- and T2-weighted images, and a low signal intensity mass in a fat suppression image. We diagnosed the tumor radiologically as a thymolipoma or thymoliposarcoma. We resected the giant mediastinal tumor completely via a hemi-clamshell approach. The resected specimen was 175×100 mm and weighted 800 g. Histologically, the tumor consisted of mature fatty tissue. There were no findings suggesting liposarcoma; therefore, the tumor was pathologically diagnosed as thymolipoma. The postoperative course was uneventful and the preoperative symptom of dyspnea also improved. We report this case with reference to the literature.</p>

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