臨床整形外科57巻4号

2022年04月発行

症例報告

腰椎に発症したびまん型腱滑膜巨細胞腫の1例

著者： 田中宏毅¹ 竹内宏仁¹ 藤田諒¹ 大嶋茂樹¹ 安保裕之¹ 藤谷正紀¹ 織田格¹

所属機関： ¹北海道整形外科記念病院

ページ範囲：P.445 - P.449

72歳女性，半年前から続く腰痛と右大腿前面痛を主訴に来院した．単純X線画像とCT画像では右L4/5椎間関節に骨破壊がみられ，単純MRI画像では同部位を中心にT1低〜等信号，T2低信号の脊柱管内外から椎間孔内に及ぶ分葉状腫瘤と関節水腫を認めた．右L4/5椎間関節全切除および経椎間孔的椎体間固定術を施行した後，びまん型腱滑膜巨細胞腫(D-TGCT)と診断した．術後痛みは改善した．腰椎発生のD-TGCTは変性疾患や他の脊椎腫瘍との鑑別が難しいことがある．稀な疾患ではあるが特徴を知り，念頭に置いて診療に当たる必要がある．

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