Last update 08 May 2025

Kearns-Sayre Syndrome

Basic Info

Synonyms
CHRONIC PROGRESSIVE EXTERNAL OPHTHALMOPLEGIA WITH MYOPATHY, CPEO WITH MYOPATHY, CPEO WITH RAGGED-RED FIBERS
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Introduction
A mitochondrial disorder featuring the triad of chronic progressive EXTERNAL OPHTHALMOPLEGIA, cardiomyopathy (CARDIOMYOPATHIES) with conduction block (HEART BLOCK), and RETINITIS PIGMENTOSA. Disease onset is in the first or second decade. Elevated CSF protein, sensorineural deafness, seizures, and pyramidal signs may also be present. Ragged-red fibers are found on muscle biopsy. (Adams et al., Principles of Neurology, 6th ed, p984)

Analysis

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