図４〜図１９の↑は高濃度の包装ビニールが描出された，約1.5ｃｍ大の15cm長のソーセージと思われ，Ｓ状結腸内に存在する．図２０の垂直な線状陰影（▲）が爪楊枝と思われる．遊離ガス，腹水，麻痺性イレウスや周囲脂肪組織の濃度上昇を認めず穿孔の診断はできない．S：Ｓ状結腸．手術で腹膜反転部より口側で，直腸前壁に爪楊枝によるものと思われる3mm大の穿孔を認めた．Ｓ状結腸内に爪楊枝付きソ-セージ（1.5cm×長さ15cm）が存在し，穿孔部から摘出した．

文献考察:爪楊枝による消化管穿孔,爪楊枝を誤飲したと認識している患者は12％だけ．死亡率：18％
J Emerg Med. 2002 Jul;23(1):35-8.
Toothpick injury mimicking renal colic: case report and systematic review.
Li SF, Ender K.

We describe a case of a patient with left flank pain that was caused by a perforation in the splenic flexure of the colon by a toothpick. We conducted a systematic review of the literature to examine the nature of injuries caused by ingested toothpicks. Articles were analyzed for the following outcome variables: presenting complaint, site of injury, recollection of toothpick ingestion, time to presentation, findings from imaging studies, and mortality. Most patients (70%) presented with abdominal pain. Few patients (12%) remember swallowing a toothpick. The onset of symptoms ranged from