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Dong Hyun Choo 2 Articles
Case Report
A Case of Isolated Congenital Tricuspid Insufficiency.
Dong Hyun Choo, Dong Kyoon Kim, Jung Yeon Choi, Yong Soo Yoon, Chang Yee Hong
Clin Exp Pediatr. 1984;27(8):814-819.   Published online August 31, 1984
Isolated congenital tricuspid insufficiency is a rare anomaly and may be caused by abnormal chordae tendinae, papillary muscle, or valve leaflets. The cause of these lesions is generally ascribed to incomplete undermining of primitive endocardial cushion by sinusoidal space, which differentiate the cushion into the various valvular structures. Carvallo’s sign, most characteristic clinical sign in tricuspid insufficiency, is augumentation of systolic...
Original Article
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
Clin Exp Pediatr. 1984;27(12):1202-1212.   Published online December 31, 1984
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...
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