腎血管性高血圧を合併した巨大後腹膜奇形腫の1症例

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Retroperitoneal teratoma is a relatively rare tumor in infancy and childhood. This is the report of a giant re-troperitoneal teratoma associated with renovascular hypertension in a one-month-old female. She was admitted to our hospital for the evaluation of an abdominal tumor. Her abdominal tumor was diagnosed to be a retroperitoneal teratoma by CT, US and angiography. On the 10th day of her admission, systolic blood pressur rose suddenly to 164mmHg and her hypertension remained high till the 6th post operative day. Preoperative angiography revealed displacement of the right kidney in the caudal direction and stretching of the right renal artery. Inferior venacavography revealed stretching, compression and displacement of IVC ante riorly by the tumor. So we considered her hypertension as renovascular hypertension caused by mass effect of a giant retroperitonel teratoma. The tumor was resected completely without injury to IVC and renal vessels. Histology of the tumor was mature teratoma (without renal tissue) Renovascular hypertension is an extremely rare complication of retroperitoneal teratomas discribed in literatures. Angiography, especially inferior venacavography, should always be included into preperative evaluation modality program for safe and successful operation of such a giant retroperitoneal teratoma.
日本小児外科学会の論文
1989-02-20