Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T

Left ventricular hypertrabeculation/noncompaction is a myocardial abnormality of unknown etiology/pathogenesis, which is frequently associated with neuromuscular disorders or chromosomal defects. LVHT in association with a MYOT mutation has not been reported. The patient is a 72-year-old male with a...

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Main Authors: Josef Finsterer, Claudia Stöllberger, Matthias Hasun, Korbinian Riedhammer, Mathias Wagner
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Case Reports in Cardiology
Online Access:http://dx.doi.org/10.1155/2020/5128069
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author Josef Finsterer
Claudia Stöllberger
Matthias Hasun
Korbinian Riedhammer
Mathias Wagner
author_facet Josef Finsterer
Claudia Stöllberger
Matthias Hasun
Korbinian Riedhammer
Mathias Wagner
author_sort Josef Finsterer
collection DOAJ
description Left ventricular hypertrabeculation/noncompaction is a myocardial abnormality of unknown etiology/pathogenesis, which is frequently associated with neuromuscular disorders or chromosomal defects. LVHT in association with a MYOT mutation has not been reported. The patient is a 72-year-old male with a history of strabismus in childhood, asymptomatic creatine-kinase elevation since age 42 years, slowly progressive lower limb weakness since age 60 years, slowly progressive dysarthria and dysphagia since age 62 years, and recurrent episodes of arthralgias and myalgias since age 71 years. He also had arterial hypertension, diverticulosis, hyperlipidemia, coronary heart disease, and a hiatal hernia with reflux esophagitis. Clinical exam revealed mild quadruparesis and proximal wasting of the legs. Whole exome sequencing revealed a known variant in the MYOT gene. Muscle biopsy, previously assessed as inclusion body myopathy, was compatible with the genotype after revision. Cardiologic work-up revealed a left anterior hemiblock, mild myocardial thickening, and noncompaction. This case shows that myotilinopathy may manifest as a multisystem disease, including noncompaction.
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publishDate 2020-01-01
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series Case Reports in Cardiology
spelling doaj-art-fa08deb9626945d38fa04076fcb6cccd2025-02-03T06:43:51ZengWileyCase Reports in Cardiology2090-64042090-64122020-01-01202010.1155/2020/51280695128069Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>TJosef Finsterer0Claudia Stöllberger1Matthias Hasun2Korbinian Riedhammer3Mathias Wagner4Krankenanstalt Rudolfstiftung, Messerli Institute, Vienna, Austria2nd Medical Department with Cardiology and Intensive Care Medicine, Krankenanstalt Rudolfstiftung, Vienna, Austria2nd Medical Department with Cardiology and Intensive Care Medicine, Krankenanstalt Rudolfstiftung, Vienna, AustriaInstitute of Human Genetics, GermanyInstitute of Human Genetics, GermanyLeft ventricular hypertrabeculation/noncompaction is a myocardial abnormality of unknown etiology/pathogenesis, which is frequently associated with neuromuscular disorders or chromosomal defects. LVHT in association with a MYOT mutation has not been reported. The patient is a 72-year-old male with a history of strabismus in childhood, asymptomatic creatine-kinase elevation since age 42 years, slowly progressive lower limb weakness since age 60 years, slowly progressive dysarthria and dysphagia since age 62 years, and recurrent episodes of arthralgias and myalgias since age 71 years. He also had arterial hypertension, diverticulosis, hyperlipidemia, coronary heart disease, and a hiatal hernia with reflux esophagitis. Clinical exam revealed mild quadruparesis and proximal wasting of the legs. Whole exome sequencing revealed a known variant in the MYOT gene. Muscle biopsy, previously assessed as inclusion body myopathy, was compatible with the genotype after revision. Cardiologic work-up revealed a left anterior hemiblock, mild myocardial thickening, and noncompaction. This case shows that myotilinopathy may manifest as a multisystem disease, including noncompaction.http://dx.doi.org/10.1155/2020/5128069
spellingShingle Josef Finsterer
Claudia Stöllberger
Matthias Hasun
Korbinian Riedhammer
Mathias Wagner
Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T
Case Reports in Cardiology
title Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T
title_full Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T
title_fullStr Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T
title_full_unstemmed Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T
title_short Multisystem Myotilinopathy, including Myopathy and Left Ventricular Noncompaction, due to the MYOT Variant c.179C>T
title_sort multisystem myotilinopathy including myopathy and left ventricular noncompaction due to the myot variant c 179c t
url http://dx.doi.org/10.1155/2020/5128069
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