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英文誌(2004-)

Journal of Medical Ultrasonics

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1990 - Vol.17

Vol.17 No.03

Case Report(症例報告)

(0324 - 0328)

胎内治療を施行した胎児尿膜管嚢胞の1例

Antenatal Diagnosis and Management of Urachal Cyst with Urethral Stenosis Report of a Case

町田 正弘, 竹内 久彌, 中絛 真美子, 石川 克美

Masahiro MACHIDA, Hisaya TAKEUCHI, Mamiko NAKAJO, Katsumi ISHIKAWA

順天堂大学浦安病院産婦人科

Juntendo University Department of Obstetrics and Gynecology, Urayasu Hospital

キーワード : Antenatal diagnosis, Fetal management, Urachal Cyst, Urethral stenosis

Urachal cysts are a rare developmental anomaly. We report here on a case of a fetal urachal cyst diagnosed in utero by ultrasonography. An anechoic extra-abdominal mass which communicated with the intra-abdominal fetal urinary bladder was visualized as early as 17 weeks of gestation. Bilateral ureteral dilatation showed the presence of urethral stenosis. To prevent deterioration of the hydronephrotic condition, transabdominal puncture of the cyst and aspiration of the urine was performed in 20 weeks of gestation. Following this, the cyst and bladder could not be visualised until delivery. Fisturization between the urachal cyst and the amniotic cavity was revealed on delivery in 40 weeks of gestation. Immediately after birth, urachal cystectomy and abdominoplasty could be successfully performed.