J Korean Soc Radiol.  2016 Mar;74(3):195-198. 10.3348/jksr.2016.74.3.195.

Incidental Finding on Cardiac CT of Anomalous Anterior Papillary Muscle without Left Ventricular Outflow Obstruction: A Case Report

Affiliations
  • 1Department of Radiology, Dong-A University College of Medicine, Dong-A University Hospital, Busan, Korea. gnlee@dau.ac.kr
  • 2Department of Radiology, Kyungpook National University College of Medicine, Kyungpook National University Hospital, Daegu, Korea.

Abstract

Abnormal insertion of the papillary muscles is rare and has been described only in patients with hypertrophic cardiomyopathy based on findings of echocardiography or autopsy. Herein, we reported a rare case of abnormal insertion of the papillary muscle in a 64-year-old man without cardiomyopathy, incidentally detected by cardiac computed tomography (CT). Multiplanar long-axis and three-dimensional volume-rendered reconstructed images revealed an abnormally inserted papillary muscle, which did not provoke left ventricular outflow tract obstruction. This is the first report of the anomaly in a healthy individual who was initially assessed by cardiac CT.

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