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摘要: 恶性颈动脉体瘤非常罕见，本研究报告1例颈动脉体瘤全切术后16年发生颈部淋巴结转移的病例。该病例为1例老年男性，68岁，发现左颈部无痛性肿物半年，既往16年前行颈动脉体瘤切除及左颈动脉人工血管重建术，查体可触及颈部左侧胸锁乳突肌后方多个肿物，质硬无压痛，界限不清。血常规及生化等血化验检查未见异常，颈部MRI强化显示左胸锁乳突肌后方多个圆形异常信号，强化明显。本病例的颈部包块经过再次手术切除，术后病理证实为颈动脉体瘤颈部淋巴结转移。故诊断为恶性颈动脉体瘤伴颈部淋巴结转移。术后PET-CT检查可见肺门、纵隔、腹主动脉旁多发淋巴结肿大，代谢异常，考虑恶性颈动脉体瘤全身多发转移。提示术前可行全身PET-CT检查用以评估肿瘤有无全身转移。Abstract: Malignant carotid body tumor is rare, reported this case who had experienced the totally resection of carotid body tumor 16 years ago and presented with cervical tumor now. The patient was a 68 year old male who presented with a low growing left-sided painless neck mass for half a year. Carotid body tumor resection and left carotid artery artificial vascular reconstruction were performed 16 years ago. Physical examination showed that multiple hard and painless masses can be touched behind the left sternocleidomastoid muscle of the neck. Blood routine and biochemical tests were normal. MRI enhancement of the neck showed multiple circular abnormal signals behind the left sternocleidomastoid muscle, with obvious enhancement. The cervical masses of this case were experienced totally resected again, and the postoperative pathology confirmed that it was carotid body tumor and cervical lymph node metastasis. The clinical diagnosis was malignant carotid body tumor with cervical lymph node metastasis. Postoperative PET-CT examination showed multiple lymphadenopathy and abnormal metabolism in hilar, mediastinum and abdominal aorta. Multiple systemic metastasis of malignant carotid body tumor was considered. It was suggested that preoperative whole-body PET-CT examination can be used to evaluate whether the tumor has systemic metastasis.
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Key words:
- carotid body tumor /
- lymph gland /
- metastasis
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