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Insights Imaging. 2018 Oct;9(5):695-707. doi: 10.1007/s13244-018-0655-9. Epub 2018 Oct 9.

Differential diagnosis of thickened myocardium: an illustrative MRI review.

Author information

1
Radiology Department, Complexo Hospitalario Universitario A Coruña, Instituto de Investigación Biomédica de A Coruña (INIBIC), Servizo Galego de Saúde (SERGAS), Universidade da Coruña, Xubias de Arriba 86, 15006, A Coruña, Spain.
2
Radiology Department, Complexo Hospitalario Universitario A Coruña, Instituto de Investigación Biomédica de A Coruña (INIBIC), Servizo Galego de Saúde (SERGAS), Universidade da Coruña, Xubias de Arriba 86, 15006, A Coruña, Spain. estrodrigarci@gmail.com.
3
Cardiology Department, Complexo Hospitalario Universitario A Coruña, Instituto de Investigación Biomédica de A Coruña (INIBIC), Servizo Galego de Saúde (SERGAS), Universidade da Coruña, Xubias de Arriba, 84, 15006, A Coruña, Spain.

Abstract

OBJECTIVES:

The purpose of this article is to describe the key cardiac magnetic resonance imaging (MRI) features to differentiate hypertrophic cardiomyopathy (HCM) phenotypes from other causes of myocardial thickening that may mimic them.

CONCLUSIONS:

Many causes of myocardial thickening may mimic different HCM phenotypes. The unique ability of cardiac MRI to facilitate tissue characterisation may help to establish the aetiology of myocardial thickening, which is essential to differentiate it from HCM phenotypes and for appropriate management.

TEACHING POINTS:

• Many causes of myocardial thickening may mimic different HCM phenotypes. • Differential diagnosis between myocardial thickening aetiology and HCM phenotypes may be challenging. • Cardiac MRI is essential to differentiate the aetiology of myocardial thickening from HCM phenotypes.

KEYWORDS:

Cardiac magnetic resonance; Cardiomyopathies; Hypertrophic cardiomyopathy; Myocardial hypertrophy; Myocardial thickening

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