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Clinical Review of Abdominal Masses in Infant and Children .

Journal of the Korean Pediatric Society 1984;27(12):1202-1212.
Published online December 31, 1984.
Clinical Review of Abdominal Masses in Infant and Children .
Dong Hyun Choo, Chong Young Pakr, Sang Pok Suk, Jeong Kee Seo, Hyo Seop Ahn, Kwang Wook Ko
Department of Pediatrics, college of medicine, Seoul, National University,Korea.
소아 복부종괴에 대한 임상적 고찰一특히 진단적 측면에 대 하여 一
주동현, 박종영, 석상복, 서정기, 안효섭, 고광욱
서 울대학교 의과대학 소아과학교실
One hundred and ninety four patients who were admitted with the chief complaint of abdominal mass were reviewed. The result were as follows; 1) The common abdominal masses in infants and children were neuroblastoma, Wilms tumor, germ cell tumor, hydronephrosis and hepatoblastoma in decreasing order of frequency. Malignant tumors were 114 cases and benign tumors were 69 cases. 2) The male:female ratio was 110 : 84. In 29.8% of cases, the mass was noted before 1 year of age and almost 70% of cases, before 4 years of age. Especially, in infancy, the proportion of neuroblastoma, Wilms’ tumor, germ cell tumor, hydronephrosis and hepatoblastoma was observed up to 63%. 3) Intraperitoneal tumors were 95 cases(49%) and among them, hepatobiliary tumors were most common. Retroperitoneal tumors were 86 cases(43.3%) and among them, urinarytumors were most common. 4) The differences between the tentative diagnosis and the post-operative or histologic diagnosis were noted in 46 cases(23.7%). 5) The proportion of midline crossing on abdominal palpation in neuroblastoma or Wilms’ tumor was 59.4% and 27.6%, respectively. 6) Abnormal increase in the amount of urinary excretion of VMA was noted in 88.5% of neuroblastoma patients. There was no false positive. 7) Serum alpha-fetoprotein were increased abnormally in 84.6% of hepatoblastoma patients and almost half of malignant germ cell tumor patients. 8) Calcifications on simple abdominal film were noted in 82.6% of germ cell tumor patients. 9) The identification of mass location was possible by I VP in 80% and by ultrasonography has additional advantages in the identification of the internal texture of masses and the degree of spread. In the evaluation of patients under 1 year old, ultrasonography was highly effective. 10) Liver scan was the most sensitive modality in the detection of SOL in liver paranchyme.
Key Words: Abdominal mass, Infants and children.

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