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首页> 外文期刊>Auris, nasus, larynx >Extranotochordal extralaryngeal chordoma: a case report.
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Extranotochordal extralaryngeal chordoma: a case report.

机译：胸外脊外脊索瘤：1例。

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摘要

Chordomas are rare, malignant, slowly growing neoplasms which develop from vestigial remnants of the fetal notochord. Most chordomas arise in the sacrococcygeal and spheno-occipital region. Extranotochordal chordomas are extremely unusual. A case of extranotochordal chordoma with extralaryngeal localization is described. A 73-year-old male presented with swallowing difficulties and hoarseness. Contrast-enhanced magnetic resonance imaging of the neck revealed a well-encapsulated tumor mass that was well enhanced and located in the left retrolaryngeal space at the level of C4, dislocating the larynx to the right. Left radical neck dissection and tumor extirpation were performed. The tumor had not invaded cervical vertebra and the surrounding soft tissue but superficial erosions of the ossificated thyroid and cricoid cartilage were found. High-power pathologic examination and immunohistochemistry defined the lesion as a dedifferentiated type of chordoma. The patient received adjuvant radiotherapy. Four years after the surgery, the patient has been free from tumor recurrence.
机译：脊索瘤是罕见的，恶性的，生长缓慢的肿瘤，是由胎儿脊索的残留残余物发展而来的。大多数脊索瘤出现在cro尾骨和蝶枕区。脊索脊索瘤极为罕见。描述了一例伴有喉外定位的脊索外脊索瘤。一名73岁的男性出现吞咽困难和声音嘶哑。颈部的造影增强磁共振成像显示良好包裹的肿瘤块，肿块得到了很好的增强，位于C4水平的左喉后间隙，使喉头向右移位。进行左颈根治术和肿瘤切除术。肿瘤没有侵袭颈椎和周围的软组织，但发现骨化的甲状腺和环软骨的浅表糜烂。高功率病理检查和免疫组织化学将病变定义为脊索瘤的未分化类型。该患者接受了辅助放疗。手术四年后，患者没有肿瘤复发。

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