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Intramuscular small vessel arteriovenous malformation of the left ventricle in an asymptomatic adolescent: a case report and literature review

Published online by Cambridge University Press:  22 May 2013

Amy N. McCammond ,
Erin R. Rudzinski ,
Brian J. Morrison  and
Michael Silberbach
Amy N. McCammond*
Affiliation:
Department of Pediatrics, Division of Pediatric Cardiology, Lucile Packard Children's Hospital at Stanford, Palo Alto, California, United States of America
Erin R. Rudzinski
Affiliation:
Department of Pathology, Oregon Health & Science University, Portland, Oregon, United States of America
Brian J. Morrison
Affiliation:
Department of Pediatrics, Division of Pediatric Cardiology, Doernbecher Children's Hospital, Portland, Oregon, United States of America
Michael Silberbach
Affiliation:
Department of Pediatrics, Division of Pediatric Cardiology, Doernbecher Children's Hospital, Portland, Oregon, United States of America
*
Correspondence to: Dr A. N. McCammond, MD, Department of Pediatrics, Division of Pediatric Cardiology, Lucile Packard Children's Hospital at Stanford, 750 Welch Road, Suite 325., Palo Alto, California 94304, United States of America. Tel: +650 723 7913; Fax: +650 723 8343; E-mail: amym1@stanford.edu
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Abstract

Primary vascular tumours of the heart are rare and heterogeneous in their presentation and classification. We present a primary intramuscular vascular malformation of the left ventricle in an asymptomatic 12-year-old girl. Characteristics on cardiac magnetic resonance imaging, specifically increased signal intensity on T2-weighted images, and marked contrast enhancement with gadolinium were suggestive of increased vascularity. Histologically, the mass was determined to be an intramuscular vascular malformation of the small vessel arteriovenous subtype. This represents one of a select few intramuscular vascular malformations of the left ventricle reported in children. Our patient remains completely asymptomatic and has had no change in the size and appearance of the mass after more than 30 months of follow-up.

Keywords

Cardiac tumoursheart-vascular neoplasmsvascular anomaliesarteriovenous
Type
Review Articles
Information
Cardiology in the Young , Volume 23 , Issue 5 , October 2013 , pp. 656 - 660
Copyright
Copyright © Cambridge University Press 2013 

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