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자료유형
학술저널
저자정보
국신호 (이화여자대학교 의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제24권 제1호
발행연도
1988.1
수록면
166 - 174 (9page)

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UItrasonography is a very useful diagnostic modality for evaluation of the pediatric abdominal masses, due to faster cheaper and no radiation harzard than CT. But CT has more advantages in assessing precise anatomic location and extent of the pathologic process and also has particular value in defining the size relationof the mass to surrounding organs and detection of lymhadenopathy. We analyzed CT features of 35 cases of pathologically proven pediatric abdominal masses for recent 2 years at Ewha Womans University Hospital. The results were as follow : 1. The most common originating site was kidney (20 cases 57.1%) followed by gastrointestinal (5 cases 14.3%) nonreal retroperitoneal (4 cases 11.4%) hepatobiliary ( 3cases 8.6%) and genital (3 cases 8,6%) in order of frequency. 2. The most common mass was hydronephrosis (11 cases 31.4%) Wilms tumor (7cases 20.0%0 neuroblastoma choledochal cyst periappendiceal abscess (3 cases 8.6% respectively) ovarian cyst (2 cases 5.7%) were next in order of frequency. 3. Male to female ratio was 4-5 and choledochal cyst and overian cyst were found only in females. The most prevalent age group was 1-3 year old (12 cases 34.3%) 4. With CT the diagnosis of hydronephrosis was easy in all cases and could evaluate of its severity renal function and obstruction site with high accuracy. 5. Wilm's tumor and neuroblastoma were relatively well differentiated by their charateristic CT features ; such as location shape marrgin midline cross calyceal appearance and calcification etc. 6. Ovarian and mensentric cysts had similar CT appearance. 7. In other pediatric abdominal masses CT provided excellent information about anatomic detail precise extent of tumor and differential diagnostic findings. So CT is useful inaging modality for the demonstration and diagnosis of abdominal mass lesions in pediatric patients.

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