A case of phrenic nerve schwannoma resection and phrenic nerve reconstruction by VATS

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  • 胸腔鏡下に切除と神経再建を行った横隔神経鞘腫の1例

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Abstract

A 58-year-old female was admitted for an abnormal shadow on a chest radiograph. Chest CT showed a 30-mm-diameter, round mass adjacent to the superior vena cava. We suspected a neurogenic tumor originating from the right phrenic nerve. We performed video-assisted thoracoscopic surgery (VATS). Based on macroscopic findings, we diagnosed it as a neurogenic tumor originating from the right phrenic nerve, and resected it along with the right phrenic nerve. The right phrenic nerve was immediately reconstructed by VATS. The right phrenic nerve was temporarily paralyzed, but it fully recovered 3 months after the operation. The postoperative pathological diagnosis was schwannoma. Schwannoma of the phrenic nerve is a rare lesion, and 27 cases have previously been reported in the Japanese literature. To our knowledge, this report is the first to indicate the feasibility of immediate phrenic nerve reconstruction after resection of a phrenic nerve schwannoma.

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