一位58 歲女性在吞食魚刺後出現吞嚥疼痛及左側肩膀疼痛表現持續一天。頸部電 腦斷層攝影顯示在C2-C3 脊椎椎體前方有一針狀骨質顯影，橫向深入接近左側C3 頸 椎橫突孔及椎動脈。臨床上罕見位置的咽喉食道異物往往無法靠理學檢查或X-ray 確 診。本案例報告將特此提出利用電腦斷層攝影，探討咽喉食道異物伴隨非典型症狀於 臨床上的診斷價值。

A 58-year-old woman suffered from odynophagia with left shoulder pain 1 day after swallowing a piece of fish bone. Neck computed tomography (CT) revealed a linear calcific obstacle anterior to the C2 and C3 vertebral bodies, buried near the left transverse foramen and vertebral artery. Foreign body impaction in uncommon sites cannot be detected by a routine physical examination or plain radiography. In this case report, we discuss the value of using CT to diagnose foreign body impactions with atypical clinical presentation.