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Complicated Lipomatous Hypertrophy of the Interatrial Septum: Multimodality Imaging in Diagnosis and Management.
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Division of Cardiovascular Imaging, Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA.
Background: Lipomatous hypertrophy of the interatrial septum (LHIS) is a benign cardiac lesion characterized by excessive fat accumulation in the interatrial septum, often sparing the fossa ovalis. Although typically asymptomatic, severe cases may lead to hemodynamic compromise.
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Lipomatous Hypertrophy of the Interatrial Septum (LHIS) a Biomarker for Cardiovascular Protection? A Hypothesis Generating Case-Control Study.
J Cardiovasc Dev Dis
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Department Radiology, Innsbruck Medical University, 6020 Innsbruck, Austria.
While epicardial adipose tissue (EAT) is a known predictor of adverse cardiovascular outcomes, lipomatous hypertrophy of the interatrial septum (LHIS) is composed of metabolically active fat such as brown adipose tissue, which may exert a different effect. This study investigates the coronary atherosclerosis profile in patients with LHIS using CTA, compared with a propensity score-matched control group. A total of 142 patients were included ( = 71 with LHIS and = 71 controls) and propensity score-matched for age, gender, BMI, and the major CV risk factors (matching level, <0.
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Lee Health Heart Institute, Fort Myers, Florida, USA.
Background: Lipomatous hypertrophy of the interatrial septum (LHIS) is a benign cardiac tumor involving nonencapsulated fat. While usually asymptomatic, it may rarely lead to hemodynamic compromise.
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Distribution patterns of brown adipose tissue on FDG-PET/CT has age characteristics.
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Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan.
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View Article and Find Full Text PDFBenign But Burdensome: When Lipomatous Hypertrophy Turns Pathologic With Superior Vena Cava Compression.
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A 71-year-old woman presented with dyspnea on exertion. Subsequent evaluation identified lipomatous hypertrophy of the interatrial septum (LHIS), which had findings of hypermetabolic activity owing to the presence of brown fat in the interatrial septum. LHIS is a rare condition and is typically considered to be a benign incidental finding.
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