A Case of Thyroid Chondrosarcoma

We herein report a rare case of thyroid chondrosarcoma in which laryngeal preservation surgery was performed. The patient man his 40s. A hard mass palpated on the right lateral side cartilage. Enhanced computed tomography showed tumor cartilage with partial destruction Ultrasonography-guided fine-needle aspiration cytology suggested lesion origin. therefore diagnosed tumor. performed laryngectomy. Intraoperative findings revealed contiguous deep omohyoid muscle. two-thirds were cut longitudinally, and removed. pathological diagnosis grade 2 Two years after surgery, there no recurrence. There have been 37 cases reported Japan, only 8 Surgical treatment selected all cases, 16 treated by total laryngectomy 21 Recurrence five including local recurrence three cervical one case, distant metastasis case.