Posterolateral hypertrophic cardiomyopathy: a rare,but clinically significant variant of hypertrophic cardiomyopathy |
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| Affiliation: | 1. Department of Pathology and Laboratory Medicine, University of California Los Angeles, CA, USA;2. Department of Pediatric Cardiology, University of California Los Angeles, CA, USA;1. Department of Pathology and Laboratory Medicine David Geffen School of Medicine at UCLA, 10833 Le Conte Avenue, CHS 13–145, Los Angeles, CA 90095–1732;2. Department of Pathology Brigham and Women''s Hospital, 75 Francis Street, Boston, MA 02115;1. The Heart Institute, Cincinnati Children’s Hospital, Cincinnati, OH 45229, USA;2. Division of Pathology and Laboratory Medicine, Cincinnati Children’s Hospital, Cincinnati, OH 45229, USA;3. Division of Pediatrics, Quillen College of Medicine, Johnson City, TN USA |
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| Abstract: | Posterolateral hypertrophic cardiomyopathy (HCM) is a rare variant of HCM. Segmental HCM is seen in 12% of cases of HCM. Among the patterns of segmental HCM, posterolateral HCM is the least common type. Our case of an 18-year old male documents this unusual type of cardiomyopathy. In this form of HCM, left ventricular thickness and the extent of hypertrophy might be underestimated by 2-dimensional echocardiography. This case illustrates the echocardiographic and pathologic features of posterolateral HCM. |
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