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CASE REPORT
Korean J Pediatr 2000 August;43(8) :1122-1126.
Two Cases of Left Ventricular Tumors Complicating Subaortic Stenosis in Newborn Infants
Ji Seon Kang (Kang JS), Mi Jung Hwang (Hwang MJ), Tae Hyoung Cho (Cho TH), Byung Ju Kim (Kim BJ), Young Jong Woo (Woo YJ), Jae Sook Ma (Ma JS)
Department of Pediatrics, Chonnam National University Medical School, Kwangju, Korea
Copyright © 2000 by The Korean Pediatric Society
ABSTRACT
The most common obstruction of left ventricular outflow in childhood is produced either by a fibrous ring below the aortic valve, or by localized or diffuse muscular hypertrophy of the interventricular septum. Cardiac tumors causing subaortic stenosis in the newborn infant are extremely rare. This report describes two cases of subaortic stenosis caused by a tumor of the left ventricle in newborn infants, both diagnosed by 2-dimensional echocardiography. In one patient, the obstructive portion of the tumor was successfully resected from its attachment to the ventricular septum by aortotomy on day 5. Histologic examination confirmed the diagnosis of rhabdomyoma. This patient developed cutaneous, neurologic and radiologic abnormalities of tuberous sclerosis during the follow-up of 42 months.
Keywords: Heart | Rhabdomyoma | Subaortic stenosis | Tuberous sclerosis
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