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英文誌(2004-)

Journal of Medical Ultrasonics

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1985 - Vol.12

Vol.12 No.06

Original Article(原著)

(0522 - 0532)

Analysis of 150 Cases of Hydronephrosis Discovered by Screening with Real-time Ultrasonography in Patients at the GI Disease Hospital

Ryoji HATTORI

Hattori Hospital for GI Disease

キーワード : Ultrasound, Hydronephrosis, GI disease, Causative analysis

 Between December 1979 and May 1985, the author has performed 4,800 ultrasonic examinations on patients with gastrointestinal symptoms. This revealed 150 cases of hydronephrosis which were retrospectively analysed for etiology. (1) Unilateral hydronephrosis with acute abdomen was caused by ureteral stone attack with an overall frequency of 80.0%. For the diagnosis of ureteral stone attack it is suggested that the determination of hydronephrosis by emergency ultrasonic examination with an upright abdominal X-ray should be the first choice. (2) Among patients with asymptomatic moderate to severe hydronephrosis, malignant tumors were found in 75.0%, and of those with mild hydronephrosis without acute abdomen 29.1% had malignant tumors. (3) In the preoperative preparation for patients with cancer of the digestive organs, hydronephrosis suggests a poor prognosis in connection with retroperitoneal lymph node metastasis.