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Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
Published on: January 16, 2019
Cardiomyopathic lentiginosis/LEOPARD syndrome presenting as sudden cardiac arrest
1Department of Cardiology, University of Luebeck School of Medicine, Germany.
Insights
This case report details a rare genetic syndrome presenting with cardiac issues and skin lesions. Early recognition of disseminated lentiginosis is crucial for identifying associated life-threatening conditions.
Area of Science:
- Cardiology
- Genetics
- Dermatology
Background:
- Disseminated lentiginosis is a rare condition associated with various systemic abnormalities.
- Cardiomyopathic lentiginosis syndrome is a rare genetic disorder with multisystemic manifestations.
Observation:
- A young man with multiple pigmented skin lesions collapsed due to ventricular fibrillation.
- Diagnostic workup revealed hypertrophic cardiomyopathy, subaortic tunnel, and other features consistent with cardiomyopathic lentiginosis syndrome.
Findings:
- The patient survived ventricular fibrillation after receiving an implantable pacer-cardioverter-defibrillator.
- This case highlights the first reported survival from ventricular fibrillation in a patient with this rare syndrome.
Implications:
- Disseminated lentiginosis warrants thorough clinical evaluation due to potential association with significant morbidity and sudden death.
- Clinicians should consider this rare syndrome in patients presenting with multiple lentigines and cardiac abnormalities.
Abstract:
A 26-year-old apparently healthy man with numerous pigmented skin lesions collapsed during an evening party and was resuscitated from ventricular fibrillation. Hypertrophic cardiomyopathy and subaortic tunnel were disclosed by angiocardiography. A diagnosis of cardiomyopathic lentiginosis/lentigines (multiple), electrocardiographic abnormalities, ocular hypertelorism, pulmonary stenosis, abnormalities of the genitalia, retardation of growth, and deafness (sensorineural) syndrome was made. The patient then underwent treatment with an implantable pacer-cardioverter-defibrillator device. Further evaluation revealed several well-established features of the disorder. This is the first reported case of survival from ventricular fibrillation associated with this rare and little known multifaceted syndrome. Disseminated lentiginosis must prompt clinicians to evaluate such cases further since underlying disorders may be associated with considerable morbidity and, apparently, sudden death.
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